Add the rpi temp logger

Author: AlyaGomaa

rpi_temperature_logger/README.md

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+# Goal
+
+This script drops a rpi_temperature_log.csv in the current directory. 
+
+It logs the temperature of the Raspberry Pi every 5 seconds.
+
+
+# Usage
+
+python3 rpi_temperature_logger.py

rpi_temperature_logger/rpi_temperature_logger.py

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+import csv
+import time
+import subprocess
+import re
+
+def get_rpi_temperature():
+    try:
+        # Run vcgencmd to get temperature
+        temp_output = subprocess.check_output(['vcgencmd', 'measure_temp']).decode()
+        # Extract temperature value using regex
+        temp = float(re.search(r'temp=([\d\.]+)', temp_output).group(1))
+        return temp
+    except Exception as e:
+        print(f"Error reading temperature: {e}")
+        return None
+
+def log_temperature():
+    # Open CSV file in append mode
+    with open('rpi_temperature_log.csv', 'a', newline='') as csvfile:
+        writer = csv.writer(csvfile)
+        # Write header if file is empty
+        if csvfile.tell() == 0:
+            writer.writerow(['Time Elapsed (Minutes)', 'Temperature (Celsius)'])
+        
+        start_time = time.time()
+        
+        while True:
+            # Calculate elapsed time in minutes
+            elapsed_minutes = (time.time() - start_time) / 60.0
+            # Get current temperature
+            temperature = get_rpi_temperature()
+            
+            if temperature is not None:
+                # Write to CSV
+                writer.writerow([f"{elapsed_minutes:.2f}", f"{temperature:.2f}"])
+                csvfile.flush()  # Ensure data is written immediately
+                print(f"Logged: {elapsed_minutes:.2f} minutes, {temperature:.2f}°C")
+            
+            # Wait for 5 minutes (300 seconds)
+            time.sleep(300)
+
+if __name__ == "__main__":
+    try:
+        log_temperature()
+    except KeyboardInterrupt:
+        print("\nLogging stopped by user")