diff --git a/README.md b/README.md
index a21a3d3..5415150 100755
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ Line by line installation.
 ```
 sudo apt update
 sudo apt install git gh apache2 sqlite3 php php-sqlite3 python3 python3-pip jq autossh i2c-tools python3-smbus -y
-sudo pip3 install pyserial requests RPi.GPIO adafruit-circuitpython-bme280 crcmod psutil ntplib pytz gpiozero adafruit-circuitpython-ads1x15 numpy --break-system-packages
+sudo pip3 install pyserial requests RPi.GPIO adafruit-circuitpython-bme280 crcmod psutil ntplib pytz gpiozero adafruit-circuitpython-ads1x15 numpy nsrt-mk3-dev --break-system-packages
 sudo mkdir -p /var/www/.ssh
 sudo ssh-keygen -t rsa -b 4096 -f /var/www/.ssh/id_rsa -N ""
 sudo ssh-copy-id -i /var/www/.ssh/id_rsa.pub -p 50221 airlab_server1@aircarto.fr
diff --git a/html/admin.html b/html/admin.html
index 06f04ff..c6873cb 100755
--- a/html/admin.html
+++ b/html/admin.html
@@ -111,6 +111,13 @@
                 </label>
               </div>
 
+              <div class="form-check mb-3">
+                <input class="form-check-input" type="checkbox" value="" id="check_NOISE" onchange="update_config_sqlite('NOISE', this.checked)">
+                <label class="form-check-label" for="check_NOISE">
+                  Send Noise data
+                </label>
+              </div>
+
               <div class="form-check mb-3">
                 <input class="form-check-input" type="checkbox" value="" id="check_uSpot" onchange="update_config_sqlite('send_uSpot', this.checked)" disabled>
                 <label class="form-check-label" for="check_uSpot">
@@ -361,12 +368,15 @@ window.onload = function() {
       const checkbox_bme = document.getElementById("check_bme280");
       const checkbox_envea = document.getElementById("check_envea");
       const checkbox_solar = document.getElementById("check_solarBattery");
+      const checkbox_noise = document.getElementById("check_NOISE");
 
       checkbox_bme.checked = response["BME280"];
       checkbox_envea.checked = response["envea"];
       checkbox_solar.checked = response["MPPT"];
       checkbox_nmp5channels.checked = response.npm_5channel;
       checkbox_wind.checked = response["windMeter"];
+      checkbox_noise.checked = response["NOISE"];
+
       checkbox_uSpot.checked = response["send_uSpot"];
       
       // If envea is enabled, show the envea sondes container
diff --git a/html/database.html b/html/database.html
index 5ff7c9d..5726bae 100755
--- a/html/database.html
+++ b/html/database.html
@@ -71,6 +71,8 @@
                 <button class="btn btn-primary" onclick="get_data_sqlite('data_BME280',getSelectedLimit(),false)">Mesures Temp/Hum</button>
                 <button class="btn btn-primary" onclick="get_data_sqlite('data_NPM_5channels',getSelectedLimit(),false)">Mesures PM (5 canaux)</button>
                 <button class="btn btn-primary" onclick="get_data_sqlite('data_envea',getSelectedLimit(),false)">Sonde Cairsens</button>
+                <button class="btn btn-primary" onclick="get_data_sqlite('data_NOISE',getSelectedLimit(),false)">Sonde bruit</button>
+
                 <button class="btn btn-primary" onclick="get_data_sqlite('data_WIND',getSelectedLimit(),false)">Sonde Vent</button>
                 <button class="btn btn-primary" onclick="get_data_sqlite('data_MPPT',getSelectedLimit(),false)">Batterie</button>
 
@@ -97,6 +99,8 @@
                 <button class="btn btn-primary" onclick="get_data_sqlite('data_BME280',10,true, getStartDate(), getEndDate())">Mesures Temp/Hum</button>
                 <button class="btn btn-primary" onclick="get_data_sqlite('data_NPM_5channels',10,true, getStartDate(), getEndDate())">Mesures PM (5 canaux)</button>
                 <button class="btn btn-primary" onclick="get_data_sqlite('data_envea',10,true, getStartDate(), getEndDate())">Sonde Cairsens</button>
+                <button class="btn btn-primary" onclick="get_data_sqlite('data_NOISE',10,true, getStartDate(), getEndDate())">Sonde Bruit</button>
+
                 <button class="btn btn-primary" onclick="get_data_sqlite('data_mppt',10,true, getStartDate(), getEndDate())">Batterie</button>
 
                 </table>
@@ -291,10 +295,17 @@ function get_data_sqlite(table, limit, download , startDate = "", endDate = "")
               <th> solar_power</th>
               <th> charger_status</th>
 
-
+          `;
+      }else if (table === "data_NOISE") {
+          tableHTML += `
+              <th>Timestamp</th>
+              <th>Curent LEQ</th>
+              <th>DB_A_value</th>
+              
           `;
       }
 
+
       tableHTML += `</tr></thead><tbody>`;
 
     // Loop through rows and create table rows
@@ -357,7 +368,13 @@ function get_data_sqlite(table, limit, download , startDate = "", endDate = "")
                         <td>${columns[3]}</td>
                         <td>${columns[4]}</td>
                         <td>${columns[5]}</td>
-
+                    `;
+                }else if (table === "data_NOISE") {
+                    tableHTML += `
+                        <td>${columns[0]}</td>
+                        <td>${columns[1]}</td>
+                        <td>${columns[2]}</td>
+                        
                     `;
                 }
 
diff --git a/html/launcher.php b/html/launcher.php
index 0d836c7..22d3ce2 100755
--- a/html/launcher.php
+++ b/html/launcher.php
@@ -1017,6 +1017,10 @@ if ($type == "get_systemd_services") {
                 'description' => 'Tracks solar panel and battery status',
                 'frequency' => 'Every 2 minutes'
             ],
+            'nebuleair-noise-data.timer' => [
+                'description' => 'Get Data from noise sensor',
+                'frequency' => 'Every minute'
+            ],
             'nebuleair-db-cleanup-data.timer' => [
                 'description' => 'Cleans up old data from database',
                 'frequency' => 'Daily'
diff --git a/installation_part1.sh b/installation_part1.sh
index 6ba4aa8..3576511 100644
--- a/installation_part1.sh
+++ b/installation_part1.sh
@@ -27,7 +27,7 @@ sudo apt update && sudo apt install -y git gh apache2 sqlite3 php php-sqlite3 py
 
 # Install Python libraries
 info "Installing Python libraries..."
-sudo pip3 install pyserial requests RPi.GPIO adafruit-circuitpython-bme280 crcmod psutil gpiozero ntplib pytz --break-system-packages || error "Failed to install Python libraries."
+sudo pip3 install pyserial requests RPi.GPIO adafruit-circuitpython-bme280 crcmod psutil gpiozero ntplib adafruit-circuitpython-ads1x15 nsrt-mk3-dev pytz --break-system-packages || error "Failed to install Python libraries."
 
 # Clone the repository (check if it exists first)
 REPO_DIR="/var/www/nebuleair_pro_4g"
diff --git a/services/check_services.sh b/services/check_services.sh
index ce929cf..83c08b5 100644
--- a/services/check_services.sh
+++ b/services/check_services.sh
@@ -1,39 +1,277 @@
 #!/bin/bash
 # File: /var/www/nebuleair_pro_4g/services/check_services.sh
 # Purpose: Check status of all NebuleAir services and logs
-# Install:
-#  sudo chmod +x /var/www/nebuleair_pro_4g/services/check_services.sh
-#   sudo /var/www/nebuleair_pro_4g/services/check_services.sh
+# Version with fixed color handling for proper table display
 
-echo "=== NebuleAir Services Status ==="
-echo ""
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+CYAN='\033[0;36m'
+BOLD='\033[1m'
+DIM='\033[2m'
+NC='\033[0m' # No Color
 
-# Check status of all timers
-echo "--- TIMER STATUS ---"
-systemctl list-timers | grep nebuleair
-echo ""
+# Service list
+SERVICES=("npm" "envea" "sara" "bme280" "mppt" "db-cleanup" "noise")
 
-# Check status of all services
-echo "--- SERVICE STATUS ---"
-for service in npm envea sara bme280 mppt db-cleanup; do
-    status=$(systemctl is-active nebuleair-$service-data.service)
-    timer_status=$(systemctl is-active nebuleair-$service-data.timer)
-    
-    echo "nebuleair-$service-data: Service=$status, Timer=$timer_status"
-done
-echo ""
-
-# Show recent logs for each service
-echo "--- RECENT LOGS (last 5 entries per service) ---"
-for service in npm envea sara bme280 mppt db-cleanup; do
-    echo "[$service service logs]"
-    journalctl -u nebuleair-$service-data.service -n 5 --no-pager
+# Function to print header
+print_header() {
+    local text="$1"
     echo ""
+    echo -e "${BLUE}${BOLD}=== $text ===${NC}"
+    echo -e "${BLUE}$(printf '%.0s=' {1..70})${NC}"
+}
+
+# Function to print section
+print_section() {
+    local text="$1"
+    echo ""
+    echo -e "${CYAN}${BOLD}--- $text ---${NC}"
+}
+
+# Function to print a separator line
+print_separator() {
+    echo "+--------------------------+-----------+-----------+-------------+-------------+-------------------------+"
+}
+
+# Clear screen for clean output
+clear
+
+# Main header
+print_header "NebuleAir Services Status Report"
+echo -e "Generated on: $(date '+%Y-%m-%d %H:%M:%S')"
+
+# Timer Schedule
+print_section "Active Timers Schedule"
+echo ""
+systemctl list-timers --no-pager | head -n 1
+systemctl list-timers --no-pager | grep nebuleair || echo "No active nebuleair timers found"
+
+# Service Status Overview with fixed color handling
+print_section "Service Status Overview"
+echo ""
+print_separator
+printf "| %-24s | %-9s | %-9s | %-11s | %-11s | %-23s |\n" "Service" "Svc State" "Svc Boot" "Timer State" "Timer Boot" "Health Status"
+print_separator
+
+for service in "${SERVICES[@]}"; do
+    # Check the actual service and timer names (with -data suffix)
+    full_service_name="nebuleair-${service}-data"
+    
+    # Get raw status values
+    service_status=$(systemctl is-active ${full_service_name}.service 2>/dev/null | tr -d '\n' || echo "not-found")
+    service_enabled=$(systemctl is-enabled ${full_service_name}.service 2>/dev/null | tr -d '\n' || echo "not-found")
+    timer_status=$(systemctl is-active ${full_service_name}.timer 2>/dev/null | tr -d '\n' || echo "not-found")
+    timer_enabled=$(systemctl is-enabled ${full_service_name}.timer 2>/dev/null | tr -d '\n' || echo "not-found")
+    
+    # Check if files exist and override if not found
+    if ! systemctl list-unit-files | grep -q "^${full_service_name}.service" &>/dev/null; then
+        service_status="not-found"
+        service_enabled="not-found"
+    fi
+    if ! systemctl list-unit-files | grep -q "^${full_service_name}.timer" &>/dev/null; then
+        timer_status="not-found"
+        timer_enabled="not-found"
+    fi
+    
+    # Create display strings without embedded colors for table cells
+    case $service_status in
+        "active") svc_st_display="active"; svc_st_color="${GREEN}" ;;
+        "inactive") svc_st_display="inactive"; svc_st_color="${DIM}" ;;
+        "activating") svc_st_display="starting"; svc_st_color="${YELLOW}" ;;
+        "not-found") svc_st_display="missing"; svc_st_color="${RED}" ;;
+        *) svc_st_display="$service_status"; svc_st_color="${RED}" ;;
+    esac
+    
+    case $service_enabled in
+        "enabled"|"static") svc_en_display="enabled"; svc_en_color="${GREEN}" ;;
+        "disabled") svc_en_display="disabled"; svc_en_color="${YELLOW}" ;;
+        "not-found") svc_en_display="missing"; svc_en_color="${RED}" ;;
+        *) svc_en_display="$service_enabled"; svc_en_color="${YELLOW}" ;;
+    esac
+    
+    case $timer_status in
+        "active") tim_st_display="active"; tim_st_color="${GREEN}" ;;
+        "inactive") tim_st_display="inactive"; tim_st_color="${RED}" ;;
+        "not-found") tim_st_display="missing"; tim_st_color="${RED}" ;;
+        *) tim_st_display="$timer_status"; tim_st_color="${RED}" ;;
+    esac
+    
+    case $timer_enabled in
+        "enabled"|"static") tim_en_display="enabled"; tim_en_color="${GREEN}" ;;
+        "disabled") tim_en_display="disabled"; tim_en_color="${YELLOW}" ;;
+        "not-found") tim_en_display="missing"; tim_en_color="${RED}" ;;
+        *) tim_en_display="$timer_enabled"; tim_en_color="${YELLOW}" ;;
+    esac
+    
+    # Determine health status
+    if [[ "$timer_status" == "active" ]]; then
+        if [[ "$timer_enabled" == "enabled" || "$timer_enabled" == "static" ]]; then
+            health_display="✓ OK"
+            health_color="${GREEN}"
+        else
+            health_display="⚠ Boot disabled"
+            health_color="${YELLOW}"
+        fi
+    elif [[ "$timer_status" == "inactive" ]]; then
+        health_display="✗ Timer stopped"
+        health_color="${RED}"
+    else
+        health_display="✗ Timer missing"
+        health_color="${RED}"
+    fi
+    
+    # Print row with colors applied outside of printf formatting
+    printf "| %-24s | " "$full_service_name"
+    printf "${svc_st_color}%-9s${NC} | " "$svc_st_display"
+    printf "${svc_en_color}%-9s${NC} | " "$svc_en_display"
+    printf "${tim_st_color}%-11s${NC} | " "$tim_st_display"
+    printf "${tim_en_color}%-11s${NC} | " "$tim_en_display"
+    printf "${health_color}%-23s${NC} |\n" "$health_display"
+done
+print_separator
+
+# Understanding the table
+echo ""
+echo -e "${DIM}Note: For timer-based services, it's normal for the service to be 'inactive' and 'disabled'.${NC}"
+echo -e "${DIM}      What matters is that the timer is 'active' and 'enabled'.${NC}"
+
+# Configuration Issues
+print_section "Configuration Issues"
+echo ""
+issues_found=false
+
+for service in "${SERVICES[@]}"; do
+    full_service_name="nebuleair-${service}-data"
+    
+    timer_status=$(systemctl is-active ${full_service_name}.timer 2>/dev/null | tr -d '\n' || echo "not-found")
+    timer_enabled=$(systemctl is-enabled ${full_service_name}.timer 2>/dev/null | tr -d '\n' || echo "not-found")
+    
+    # Check if timer exists
+    if ! systemctl list-unit-files | grep -q "^${full_service_name}.timer" &>/dev/null; then
+        timer_status="not-found"
+        timer_enabled="not-found"
+    fi
+    
+    if [[ "$timer_status" != "active" || ("$timer_enabled" != "enabled" && "$timer_enabled" != "static") ]]; then
+        issues_found=true
+        echo -e "  ${RED}•${NC} ${BOLD}$full_service_name${NC}"
+        if [[ "$timer_status" == "not-found" ]]; then
+            echo -e "    ${RED}→${NC} Timer unit file is missing"
+        elif [[ "$timer_status" != "active" ]]; then
+            echo -e "    ${RED}→${NC} Timer is not running (status: $timer_status)"
+        fi
+        if [[ "$timer_enabled" == "not-found" ]]; then
+            echo -e "    ${RED}→${NC} Timer unit file is missing"
+        elif [[ "$timer_enabled" != "enabled" && "$timer_enabled" != "static" ]]; then
+            echo -e "    ${YELLOW}→${NC} Timer won't start on boot (status: $timer_enabled)"
+        fi
+        echo ""
+    fi
 done
 
-echo "=== End of Report ==="
+if [[ "$issues_found" == "false" ]]; then
+    echo -e "  ${GREEN}✓${NC} All timers are properly configured!"
+fi
+
+# Recent Executions - Simplified
+print_section "Last Execution Status"
 echo ""
-echo "For detailed logs use:"
-echo "  sudo journalctl -u nebuleair-[service]-data.service -f"
-echo "To restart a specific service timer:"
-echo "  sudo systemctl restart nebuleair-[service]-data.timer"
\ No newline at end of file
+printf "  %-12s %-20s %s\n" "Service" "Last Run" "Status"
+printf "  %-12s %-20s %s\n" "-------" "--------" "------"
+
+for service in "${SERVICES[@]}"; do
+    full_service_name="nebuleair-${service}-data"
+    
+    # Get last execution time and status
+    last_log=$(journalctl -u ${full_service_name}.service -n 3 --no-pager 2>/dev/null | grep -E "(Started|Finished|Failed)" | tail -1)
+    
+    if [[ -n "$last_log" ]]; then
+        timestamp=$(echo "$last_log" | awk '{print $1, $2, $3}')
+        if echo "$last_log" | grep -q "Finished"; then
+            status="${GREEN}✓ Success${NC}"
+        elif echo "$last_log" | grep -q "Failed"; then
+            status="${RED}✗ Failed${NC}"
+        elif echo "$last_log" | grep -q "Started"; then
+            status="${YELLOW}⟳ Running${NC}"
+        else
+            status="${DIM}- Unknown${NC}"
+        fi
+        printf "  %-12s %-20s %b\n" "$service" "$timestamp" "$status"
+    else
+        printf "  %-12s %-20s %b\n" "$service" "-" "${DIM}- No data${NC}"
+    fi
+done
+
+# Summary
+print_section "Summary"
+echo ""
+
+working=0
+needs_attention=0
+
+for service in "${SERVICES[@]}"; do
+    full_service_name="nebuleair-${service}-data"
+    timer_status=$(systemctl is-active ${full_service_name}.timer 2>/dev/null | tr -d '\n')
+    timer_enabled=$(systemctl is-enabled ${full_service_name}.timer 2>/dev/null | tr -d '\n')
+    
+    if [[ "$timer_status" == "active" ]] && [[ "$timer_enabled" == "enabled" || "$timer_enabled" == "static" ]]; then
+        ((working++))
+    else
+        ((needs_attention++))
+    fi
+done
+
+total=${#SERVICES[@]}
+
+# Visual progress bar
+echo -n "  Overall Health: ["
+for ((i=1; i<=10; i++)); do
+    if ((i <= working * 10 / total)); then
+        echo -n -e "${GREEN}▰${NC}"
+    else
+        echo -n -e "${RED}▱${NC}"
+    fi
+done
+echo -e "] ${working}/${total}"
+
+echo ""
+echo -e "  ${GREEN}✓${NC} Working properly: ${BOLD}$working${NC} services"
+echo -e "  ${RED}✗${NC} Need attention:  ${BOLD}$needs_attention${NC} services"
+
+# Quick Commands
+print_section "Quick Commands"
+echo ""
+echo -e "  ${BOLD}Fix a timer that needs attention:${NC}"
+echo "    $ sudo systemctl enable --now nebuleair-[service]-data.timer"
+echo ""
+echo -e "  ${BOLD}View live logs:${NC}"
+echo "    $ sudo journalctl -u nebuleair-[service]-data.service -f"
+echo ""
+echo -e "  ${BOLD}Check timer details:${NC}"
+echo "    $ systemctl status nebuleair-[service]-data.timer"
+echo ""
+echo -e "  ${BOLD}Run service manually:${NC}"
+echo "    $ sudo systemctl start nebuleair-[service]-data.service"
+
+# Specific fixes needed
+if [[ $needs_attention -gt 0 ]]; then
+    echo ""
+    echo -e "${YELLOW}${BOLD}Recommended Actions:${NC}"
+    for service in "${SERVICES[@]}"; do
+        full_service_name="nebuleair-${service}-data"
+        timer_status=$(systemctl is-active ${full_service_name}.timer 2>/dev/null | tr -d '\n')
+        timer_enabled=$(systemctl is-enabled ${full_service_name}.timer 2>/dev/null | tr -d '\n')
+        
+        if [[ "$timer_status" != "active" ]] && [[ "$timer_status" != "not-found" ]]; then
+            echo -e "  ${RED}→${NC} sudo systemctl start ${full_service_name}.timer"
+        fi
+        if [[ "$timer_enabled" != "enabled" ]] && [[ "$timer_enabled" != "static" ]] && [[ "$timer_enabled" != "not-found" ]]; then
+            echo -e "  ${YELLOW}→${NC} sudo systemctl enable ${full_service_name}.timer"
+        fi
+    done
+fi
+
+echo ""
\ No newline at end of file
diff --git a/services/setup_services.sh b/services/setup_services.sh
index 03d64ec..598aca9 100644
--- a/services/setup_services.sh
+++ b/services/setup_services.sh
@@ -173,6 +173,38 @@ AccuracySec=1s
 WantedBy=timers.target
 EOL
 
+# Create service and timer files for noise Data (every minutes)
+cat > /etc/systemd/system/nebuleair-noise-data.service << 'EOL'
+[Unit]
+Description=NebuleAir noise Data Collection Service
+After=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/sound_meter/NSRT_mk4_get_data.py
+User=root
+WorkingDirectory=/var/www/nebuleair_pro_4g
+StandardOutput=append:/var/www/nebuleair_pro_4g/logs/noise_service.log
+StandardError=append:/var/www/nebuleair_pro_4g/logs/noise_service_errors.log
+
+[Install]
+WantedBy=multi-user.target
+EOL
+
+cat > /etc/systemd/system/nebuleair-noise-data.timer << 'EOL'
+[Unit]
+Description=Run NebuleAir MPPT Data Collection every 120 seconds
+Requires=nebuleair-noise-data.service
+
+[Timer]
+OnBootSec=60s
+OnUnitActiveSec=60s
+AccuracySec=1s
+
+[Install]
+WantedBy=timers.target
+EOL
+
 # Create service and timer files for Database Cleanup
 cat > /etc/systemd/system/nebuleair-db-cleanup-data.service << 'EOL'
 [Unit]
@@ -210,7 +242,7 @@ systemctl daemon-reload
 
 # Enable and start all timers
 echo "Enabling and starting all services..."
-for service in npm envea sara bme280 mppt db-cleanup; do
+for service in npm envea sara bme280 mppt db-cleanup noise; do
     systemctl enable nebuleair-$service-data.timer
     systemctl start nebuleair-$service-data.timer
     echo "Started nebuleair-$service-data timer"
diff --git a/sound_meter/NSRT_MK4_change_config.py b/sound_meter/NSRT_MK4_change_config.py
new file mode 100644
index 0000000..c6d34d7
--- /dev/null
+++ b/sound_meter/NSRT_MK4_change_config.py
@@ -0,0 +1,39 @@
+'''
+  ____   ___  _   _ _   _ ____  
+ / ___| / _ \| | | | \ | |  _ \ 
+ \___ \| | | | | | |  \| | | | |
+  ___) | |_| | |_| | |\  | |_| |
+ |____/ \___/ \___/|_| \_|____/ 
+                                
+python3 /var/www/nebuleair_pro_4g/sound_meter/NSRT_MK4_change_config.py
+
+1.Intervalle d'enregistrement 
+L'intervalle d'enregistrement définit le temps entre deux points successifs enregistrés. 
+Cela définit également la période d'intégration pour le LEQ, et la période d'observation pour L-min et L-max et Lpeak.  
+L'intervalle d'enregistrement peut être réglé de 125 ms (1/8ème) à 2 H par incréments de 125 ms. 
+
+some parameters can be changed:
+write_tau(tau: float)       -> time constant
+write_fs(frequency: int)    -> sampling freq
+
+'''
+
+import nsrt_mk3_dev
+
+nsrt = nsrt_mk3_dev.NsrtMk3Dev('/dev/ttyACM0')
+
+#####################
+#change time constant
+nsrt.write_tau(60)
+#####################
+
+freq_level = nsrt.read_fs()             #current sampling frequency
+time_constant = nsrt.read_tau()         #reads the current time constant
+leq_level = nsrt.read_leq()             #current running LEQ and starts the integration of a new LEQ.
+weighting = nsrt.read_weighting()       #weighting curve that is currently selected
+weighted_level = nsrt.read_level()      #current running level in dB.
+
+print(f'current sampling freq : {freq_level} Hz')
+print(f'current time constant : {time_constant} s')
+print(f'current LEQ level:         {leq_level:0.2f} dB')
+print(f'{weighting} value:      {weighted_level:0.2f} dBA')
\ No newline at end of file
diff --git a/sound_meter/NSRT_mk4_get_data.py b/sound_meter/NSRT_mk4_get_data.py
new file mode 100644
index 0000000..ce83ee7
--- /dev/null
+++ b/sound_meter/NSRT_mk4_get_data.py
@@ -0,0 +1,69 @@
+'''
+  ____   ___  _   _ _   _ ____  
+ / ___| / _ \| | | | \ | |  _ \ 
+ \___ \| | | | | | |  \| | | | |
+  ___) | |_| | |_| | |\  | |_| |
+ |____/ \___/ \___/|_| \_|____/ 
+                                
+python3 /var/www/nebuleair_pro_4g/sound_meter/get_data.py
+
+Script to get data from the NSRT_MK4 Sound Level Meter
+
+Need to install "nsrt_mk3_dev"
+
+1.Intervalle d'enregistrement 
+L'intervalle d'enregistrement définit le temps entre deux points successifs enregistrés. 
+Cela définit également la période d'intégration pour le LEQ, et la période d'observation pour L-min et L-max et Lpeak.  
+L'intervalle d'enregistrement peut être réglé de 125 ms (1/8ème) à 2 H par incréments de 125 ms. 
+
+some parameters can be changed:
+write_tau(tau: float)       -> time constant
+write_fs(frequency: int)    -> sampling freq
+
+'''
+
+import nsrt_mk3_dev
+import sqlite3
+
+nsrt = nsrt_mk3_dev.NsrtMk3Dev('/dev/ttyACM0')
+
+# Connect to the SQLite database
+conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+
+#GET RTC TIME from SQlite
+cursor.execute("SELECT * FROM timestamp_table LIMIT 1")
+row = cursor.fetchone()  # Get the first (and only) row
+rtc_time_str = row[1]  # '2025-02-07 12:30:45'
+
+freq_level = nsrt.read_fs()             #current sampling frequency
+time_constant = nsrt.read_tau()         #reads the current time constant
+leq_level = nsrt.read_leq()             #current running LEQ and starts the integration of a new LEQ.
+weighting = nsrt.read_weighting()       #weighting curve that is currently selected
+weighted_level = nsrt.read_level()      #current running level in dB.
+
+#print(f'current sampling freq : {freq_level} Hz')
+#print(f'current time constant : {time_constant} s')
+#print(f'current LEQ level:         {leq_level:0.2f} dB')
+#print(f'{weighting} value:      {weighted_level:0.2f} dBA')
+# Round values to 2 decimal places before saving
+leq_level_rounded = round(leq_level, 2)
+weighted_level_rounded = round(weighted_level, 2)
+
+#save to db
+#save to sqlite database
+try:
+  cursor.execute('''
+  INSERT INTO data_NOISE (timestamp,current_LEQ, DB_A_value) VALUES (?,?,?)'''
+  , (rtc_time_str,leq_level_rounded,weighted_level_rounded))
+
+  # Commit and close the connection
+  conn.commit()
+
+  #print("Sensor data saved successfully!")
+
+except Exception as e:
+  print(f"Database error: {e}")    
+
+
+conn.close()
\ No newline at end of file
diff --git a/sound_meter/sound_meter b/sound_meter/old/sound_meter
old mode 100755
new mode 100644
similarity index 100%
rename from sound_meter/sound_meter
rename to sound_meter/old/sound_meter
diff --git a/sound_meter/sound_meter.c b/sound_meter/old/sound_meter.c
old mode 100755
new mode 100644
similarity index 100%
rename from sound_meter/sound_meter.c
rename to sound_meter/old/sound_meter.c
diff --git a/sound_meter/sound_meter_moving_avg b/sound_meter/old/sound_meter_moving_avg
old mode 100755
new mode 100644
similarity index 100%
rename from sound_meter/sound_meter_moving_avg
rename to sound_meter/old/sound_meter_moving_avg
diff --git a/sound_meter/sound_meter_moving_avg.c b/sound_meter/old/sound_meter_moving_avg.c
old mode 100755
new mode 100644
similarity index 100%
rename from sound_meter/sound_meter_moving_avg.c
rename to sound_meter/old/sound_meter_moving_avg.c
diff --git a/sound_meter/sound_meter_nonStop b/sound_meter/old/sound_meter_nonStop
old mode 100755
new mode 100644
similarity index 100%
rename from sound_meter/sound_meter_nonStop
rename to sound_meter/old/sound_meter_nonStop
diff --git a/sound_meter/sound_meter_nonStop.c b/sound_meter/old/sound_meter_nonStop.c
old mode 100755
new mode 100644
similarity index 100%
rename from sound_meter/sound_meter_nonStop.c
rename to sound_meter/old/sound_meter_nonStop.c
diff --git a/sqlite/create_db.py b/sqlite/create_db.py
index a27842c..f62fcbb 100755
--- a/sqlite/create_db.py
+++ b/sqlite/create_db.py
@@ -127,6 +127,14 @@ CREATE TABLE IF NOT EXISTS data_MPPT (
 )
 """)
 
+# Create a table noise capture (NSRT mk4)
+cursor.execute("""
+CREATE TABLE IF NOT EXISTS data_NOISE (
+    timestamp TEXT,
+    current_LEQ REAL,
+    DB_A_value REAL
+)
+""")
 
 # Commit and close the connection
 conn.commit()
diff --git a/sqlite/flush_old_data.py b/sqlite/flush_old_data.py
index 04ca05d..3bebec1 100755
--- a/sqlite/flush_old_data.py
+++ b/sqlite/flush_old_data.py
@@ -9,6 +9,9 @@ Script to flush (delete) data from a sqlite database
 
 /usr/bin/python3 /var/www/nebuleair_pro_4g/sqlite/flush_old_data.py
 
+Script that is triggered by a systemd
+sudo systemctl status nebuleair-db-cleanup-data.service
+
 Available table are
 
 data_NPM
@@ -17,56 +20,183 @@ data_BME280
 data_envea
 timestamp_table
 data_MPPT
+data_NOISE
+data_WIND
 
 '''
 
 import sqlite3
 import datetime
+import sys
 
 
-# Connect to the SQLite database
-conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
-cursor = conn.cursor()
-
-#GET RTC TIME from SQlite
-cursor.execute("SELECT * FROM timestamp_table LIMIT 1")
-row = cursor.fetchone()  # Get the first (and only) row
-
-if row:
-    rtc_time_str = row[1]  # Assuming timestamp is stored as TEXT (YYYY-MM-DD HH:MM:SS)
-    print(f"[INFO] Last recorded timestamp: {rtc_time_str}")
-
-    # Convert last_updated to a datetime object
-    last_updated = datetime.datetime.strptime(rtc_time_str, "%Y-%m-%d %H:%M:%S")
-
-    # Calculate the cutoff date (3 months before last_updated)
-    cutoff_date = last_updated - datetime.timedelta(days=60)
-    cutoff_date_str = cutoff_date.strftime("%Y-%m-%d %H:%M:%S")
-
-    print(f"[INFO] Deleting records older than: {cutoff_date_str}")
-
-    # List of tables to delete old data from
-    tables_to_clean = ["data_NPM", "data_NPM_5channels", "data_BME280", "data_envea","data_WIND", "data_MPPT"]
-
-    # Loop through each table and delete old data
-    for table in tables_to_clean:
-        delete_query = f"DELETE FROM {table} WHERE timestamp < ?"
-        cursor.execute(delete_query, (cutoff_date_str,))
-        print(f"[INFO] Deleted old records from {table}")
-
-    # **Commit changes before running VACUUM**
-    conn.commit()
-    print("[INFO] Changes committed successfully!")
-
-    # Now it's safe to run VACUUM
-    print("[INFO] Running VACUUM to optimize database space...")
-    cursor.execute("VACUUM")
-
-    print("[SUCCESS] Old data flushed successfully!")
-
-else:
-    print("[ERROR] No timestamp found in timestamp_table.")
+def table_exists(cursor, table_name):
+    """Check if a table exists in the database"""
+    try:
+        cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name=?", (table_name,))
+        return cursor.fetchone() is not None
+    except sqlite3.Error as e:
+        print(f"[ERROR] Failed to check if table '{table_name}' exists: {e}")
+        return False
 
 
-# Close the database connection
-conn.close()
+def get_table_count(cursor, table_name):
+    """Get the number of records in a table"""
+    try:
+        cursor.execute(f"SELECT COUNT(*) FROM {table_name}")
+        return cursor.fetchone()[0]
+    except sqlite3.Error as e:
+        print(f"[WARNING] Could not get count for table '{table_name}': {e}")
+        return 0
+
+
+def delete_old_records(cursor, table_name, cutoff_date_str):
+    """Delete old records from a specific table"""
+    try:
+        # First check how many records will be deleted
+        cursor.execute(f"SELECT COUNT(*) FROM {table_name} WHERE timestamp < ?", (cutoff_date_str,))
+        records_to_delete = cursor.fetchone()[0]
+        
+        if records_to_delete == 0:
+            print(f"[INFO] No old records to delete from '{table_name}'")
+            return True
+        
+        # Delete the records
+        cursor.execute(f"DELETE FROM {table_name} WHERE timestamp < ?", (cutoff_date_str,))
+        deleted_count = cursor.rowcount
+        
+        print(f"[SUCCESS] Deleted {deleted_count} old records from '{table_name}'")
+        return True
+        
+    except sqlite3.Error as e:
+        print(f"[ERROR] Failed to delete records from '{table_name}': {e}")
+        return False
+
+
+def main():
+    try:
+        # Connect to the SQLite database
+        print("[INFO] Connecting to database...")
+        conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+        cursor = conn.cursor()
+        
+        # Check database connection
+        cursor.execute("SELECT sqlite_version()")
+        version = cursor.fetchone()[0]
+        print(f"[INFO] Connected to SQLite version: {version}")
+
+        # GET RTC TIME from SQLite
+        print("[INFO] Getting timestamp from database...")
+        
+        # First check if timestamp_table exists
+        if not table_exists(cursor, "timestamp_table"):
+            print("[ERROR] timestamp_table does not exist!")
+            return False
+
+        cursor.execute("SELECT * FROM timestamp_table LIMIT 1")
+        row = cursor.fetchone()
+
+        if not row:
+            print("[ERROR] No timestamp found in timestamp_table.")
+            return False
+
+        rtc_time_str = row[1]  # Assuming timestamp is stored as TEXT (YYYY-MM-DD HH:MM:SS)
+        print(f"[INFO] Last recorded timestamp: {rtc_time_str}")
+
+        # Convert last_updated to a datetime object
+        try:
+            last_updated = datetime.datetime.strptime(rtc_time_str, "%Y-%m-%d %H:%M:%S")
+        except ValueError as e:
+            print(f"[ERROR] Invalid timestamp format: {e}")
+            return False
+
+        # Calculate the cutoff date (60 days before last_updated)
+        cutoff_date = last_updated - datetime.timedelta(days=60)
+        cutoff_date_str = cutoff_date.strftime("%Y-%m-%d %H:%M:%S")
+
+        print(f"[INFO] Deleting records older than: {cutoff_date_str}")
+
+        # List of tables to delete old data from
+        tables_to_clean = [
+            "data_NPM", 
+            "data_NPM_5channels", 
+            "data_BME280", 
+            "data_envea",
+            "data_WIND", 
+            "data_MPPT", 
+            "data_NOISE"
+        ]
+
+        # Check which tables actually exist
+        existing_tables = []
+        missing_tables = []
+        
+        for table in tables_to_clean:
+            if table_exists(cursor, table):
+                existing_tables.append(table)
+                record_count = get_table_count(cursor, table)
+                print(f"[INFO] Table '{table}' exists with {record_count} records")
+            else:
+                missing_tables.append(table)
+                print(f"[WARNING] Table '{table}' does not exist - skipping")
+
+        if missing_tables:
+            print(f"[INFO] Missing tables: {', '.join(missing_tables)}")
+        
+        if not existing_tables:
+            print("[WARNING] No tables found to clean!")
+            return True
+
+        # Loop through existing tables and delete old data
+        successful_deletions = 0
+        failed_deletions = 0
+        
+        for table in existing_tables:
+            if delete_old_records(cursor, table, cutoff_date_str):
+                successful_deletions += 1
+            else:
+                failed_deletions += 1
+
+        # Commit changes before running VACUUM
+        print("[INFO] Committing changes...")
+        conn.commit()
+        print("[SUCCESS] Changes committed successfully!")
+
+        # Only run VACUUM if at least some deletions were successful
+        if successful_deletions > 0:
+            print("[INFO] Running VACUUM to optimize database space...")
+            try:
+                cursor.execute("VACUUM")
+                print("[SUCCESS] Database optimized successfully!")
+            except sqlite3.Error as e:
+                print(f"[WARNING] VACUUM failed: {e}")
+
+        # Summary
+        print(f"\n[SUMMARY]")
+        print(f"Tables processed successfully: {successful_deletions}")
+        print(f"Tables with errors: {failed_deletions}")
+        print(f"Tables skipped (missing): {len(missing_tables)}")
+        
+        if failed_deletions == 0:
+            print("[SUCCESS] Old data flushed successfully!")
+            return True
+        else:
+            print("[WARNING] Some operations failed - check logs above")
+            return False
+
+    except sqlite3.Error as e:
+        print(f"[ERROR] Database error: {e}")
+        return False
+    except Exception as e:
+        print(f"[ERROR] Unexpected error: {e}")
+        return False
+    finally:
+        # Always close the database connection
+        if 'conn' in locals():
+            conn.close()
+            print("[INFO] Database connection closed")
+
+
+if __name__ == "__main__":
+    success = main()
+    sys.exit(0 if success else 1)
\ No newline at end of file
diff --git a/sqlite/set_config.py b/sqlite/set_config.py
index 0570a3f..2aeedbe 100644
--- a/sqlite/set_config.py
+++ b/sqlite/set_config.py
@@ -47,6 +47,7 @@ config_entries = [
     ("windMeter", "0", "bool"),
     ("BME280", "0", "bool"),
     ("MPPT", "0", "bool"),
+    ("NOISE", "0", "bool"),
     ("modem_version", "XXX", "str")
 ]