Shelly PLUS Add-on

SPECIFICATIONS:
◾ Compatible modules:
- Shelly Plus 1
- Shelly Plus 1PM
- Shelly Plus 2PM
- Shelly Plus i4
- Shelly Plus i4DC
◾ Firmware features:
- Temperature reading: supports up to 5 DS18B20 sensors
- Humidity and temperature reading: supports one DHT22 sensor
- Digital input:
· True: -15V to 0.5V
· False: 2.5V to 15V
- Analog input (voltmeter):
· Range: 0 to 10V
· Accuracy: < 5%
· Notification threshold: 0.1V
· Sampling frequency: 1Hz
◾ Electrical:
- DC power supply voltage: 3.3V (from the Shelly Plus device)
- AC power supply voltage: (not supported)
- Power consumption: < 0.5W (without sensors)
◾ Output circuits:
- Max VCC current: 10mA
- Max VREF OUT current: 1mA
◾ Environmental:
- Ambient temperature: -20°C to 40°C
- Humidity: 30% to 70% RH
- Max altitude: 2000 meters
◾ Physical:
- Max wire section: 1mm²
- Material: Plastic
- Color: Black
- Size: 37x42x15 ±0.5mm.