Shelly Plus Add-On Sensor Interface

The Shelly Plus Add-on is a versatile sensor interface compatible with most Arduino sensors. Utilize its digital or analog inputs to measure your desired parameters and create complex automation scenes based on the sensor data.

SHELLY-PLUS-ADDON Sensor Interface Features:

• Compatible with most Arduino sensors
• Galvanically isolated sensor interface for all Shelly Plus relays
• Connect various analog and digital sensors for complex automation
• Provides a 1-wire interface for easy connectivity
• Enables garage door position monitoring
• Keeps you informed about the water heating status
• Allows you to control lights based on the luminosity
• Facilitates an awning that follows weather conditions
• Enables efficient irrigation only when needed
• Supports motion-controlled lights
• Compatible with Alexa, Google Home, Android, and iOS for convenient voice assistant control.

SHELLY-PLUS-ADDON Sensor Interface Specifications:

PHYSICAL

• Size (HxWxD): 37x42x15 ±0.5 mm / 1.46 x 1.65 x 0.59 ±0.02 in
• Weight: 105 g / 3.70 oz
• Shell material: Plastic
• Color: Black

ENVIRONMENTAL

• Ambient temperature: -20 °C to 40 °C / -5 °F to 105 °F
• Humidity: 30% to 70% RH
• Max. altitude: 2000 m / 6562 ft

ELECTRICAL

• Power supply voltage AC: N/A
• Power supply voltage DC: 3.3 V (from Shelly plus device)
• Power consumption: < 0.5 W (without sensors)

OUTPUT CIRCUITS RATINGS

• VCC max. current: 10 mA
• VREF OUT max. current: 1 mA

SHELLY PLUS DEVICE FIRMWARE CAPABILITIES

• Shelly Plus Addon supporting devices: Shelly Plus 1/1PM, Shelly Plus 2PM, Shelly Plus i4/i4DC
• Temperature reading: Depends on the DS18B20 or DHT22 sensors
• Humidity reading: Depends on the DHT22 sensor
• Digital input: -15 V to 0.5 V (True) / 2.5 V to 15 V (False)*
• Analog input range: 0 to 100%
• Analog input report threshold: 1%**
• Voltmeter range: 0 to 10 V
• Voltmeter report threshold: 0.1 V**
• Analog input / Voltmeter accuracy: Better than 5%