Method CalibrateSensorsAsync
Namespace: Belay.Core.Examples
Assembly: Belay.Core.dll
CalibrateSensorsAsync(float, float)
Perform sensor calibration routine. This should be done in known environmental conditions.
csharp
[Task(TimeoutMs = 30000)]
[PythonCode("\n import json\n import time\n \n print('Starting sensor calibration...')\n \n # Take multiple readings for averaging\n temp_readings = []\n humidity_readings = []\n \n for i in range(10):\n # Read raw temperature\n raw = temp_adc.read_u16()\n voltage = (raw / 65535.0) * 3.3\n temp_c = (voltage - 0.5) * 100\n temp_readings.append(temp_c)\n \n # Read raw humidity (simplified)\n try:\n i2c.writeto(0x44, bytes([0x2C, 0x06]))\n time.sleep_ms(15)\n data = i2c.readfrom(0x44, 6)\n humid_raw = (data[3] << 8) | data[4]\n humidity = (humid_raw * 100.0) / 65535.0\n humidity_readings.append(humidity)\n except:\n humidity_readings.append({referenceHumidity}) # Use reference if sensor fails\n \n time.sleep_ms(500) # Wait between readings\n print(f'Calibration reading {i+1}/10...')\n \n # Calculate averages\n avg_temp = sum(temp_readings) / len(temp_readings)\n avg_humidity = sum(humidity_readings) / len(humidity_readings)\n \n # Calculate calibration factors\n temp_offset = {referenceTemp} - avg_temp\n humidity_offset = {referenceHumidity} - avg_humidity\n \n # Update calibration\n sensor_calibration['temp_offset'] = temp_offset\n sensor_calibration['humidity_offset'] = humidity_offset\n \n # Save calibration to file\n with open('calibration.json', 'w') as f:\n json.dump(sensor_calibration, f)\n \n print(f'Calibration complete:')\n print(f' Temperature offset: {temp_offset:.2f}°C')\n print(f' Humidity offset: {humidity_offset:.1f}%')\n ")]
Task CalibrateSensorsAsync(float referenceTemp = 25, float referenceHumidity = 50)Parameters
referenceTemp float
Known temperature for calibration.
referenceHumidity float
Known humidity for calibration.