Shelly Plus Add-on (the Device) is a galvanically isolated sensor interface to the Shelly Plus devices.

Applications:

• Residential
• MDU (Multi-Dwelling Units - apartments condominiums hotels etc.)
• Light commercial (small office buildings small retail/restaurant/gas station etc.)
• Agricultural (greenhouses hotbeds nurseries ranches etc. )
• Government/Municipal
• University/college

Inputs

• 1 analog input: ANALOG IN
• 1 digital input: DIGITAL IN

Output

• 1 reference voltage output: VREF OUT
• 1 reference voltage through a pull-up resistor output: VREF R1 OUT
• 2 ground terminals: GND

1-Wire interface

• 3 sensor power supply outputs (connected to the same PCB track): VCC
• 3 sensor data terminals (connected to the same PCB track): DATA
• 3 ground terminals: GND
• Connected to the same PCB ground layer.

• Power supply voltage DC: 3.3V (from Shelly Plus device)
• Size (HxWxD): 1.46 x 1.65 x 0.59 ±0.02 in /  37x42x15 ±0.5 mm
• Weigh:3.70 oz / 105 g
• Ambient temperature: -20 °C to 40 °C
• Humidity: 30 % to 70 % RH
• Shell material: plastic