Shelly ADD ON

• Can be used with up to five DS18B20 sensors or one DHT22 sensor

• Has an analog and a digital input

• DS18B20 - Temperature sensor (up to 5); please choose the product variant with or without (default variant ships without it)

• DHT22 sensor- if you want to monitor temperature and humidity

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

• Screw terminals max torque: 0.1 Nm / 0.89 lbIn

• Conductor cross section: max. 1 mm² / 17 AWG

• Conductor stripped length: 4.5 mm / 0.18 in

• 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 RANTINGS

• VCC max. current: 10 mA

• VREF OUT max. current: 1 mA

• VREF+R1 OUT resistor 10 k?

SHELLY PLUS DEVICE FIRMWARE CAPABILITIES

• Shelly Plus Add-on supporting devices: Shelly Plus 1/1PM, Shelly Plus 2 PM, 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%

• MQTT: Yes

• CoAP: No

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