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Shelly Plus Add-on: Galvanically Isolated Sensor Interface
The Shelly Plus Add-on is a galvanically isolated sensor interface designed for seamless integration with Shelly Plus and Gen3 devices. It expands the functionality of Shelly controllers by adding analog, digital, and 1-Wire sensor support – ideal for applications that require precise environmental, proximity, or motion sensing.
Main Applications| Size (HxWxD): | 37×42×15 0.5 mm / 1.46 × 1.65 × 0.59 0.02 in |
| Weight: | 105 g / 3.70 oz |
| Shell Material: | Plastic |
| Color: | Black |
| Max Torque (Screw Terminals): | 0.1 Nm / 0.89 lb.in |
| Max Conductor Size: | 1 mm2 / 17 AWG |
| Conductor Stripped Length: | 4.5 mm / 0.18 in |
| Ambient Temperature: | -20 oC to 40 oC / -5 oF to 105 oF |
| Humidity: | 30% to 70% RH |
| Max Altitude: | 2000 m / 6562 ft |
| Power Supply: | 3.3 V DC (from Shelly Plus device) |
| Power Consumption: | < 0.5 W (without sensors) |
| VCC Max Current: | 10 mA |
| VREF OUT Max Current: | 1 mA |
| VREF + R1 OUT Resistor: | 10 kOhm |
| Temperature Reading: | Depends on DS18B20 or DHT22 sensors |
| Humidity Reading: | Depends on 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** |
| Accuracy: | Better than 5% |
* Logic can be inverted in digital input settings.
** Thresholds can be configured in analog input/voltmeter settings.
| VCC: | Sensor power supply terminals |
| DATA: | 1-Wire data terminals |
| GND: | Ground terminals |
| ANALOG IN: | Analog input |
| DIGITAL IN: | Digital input |
| VREF OUT: | Reference voltage output |
| VREF + R1 OUT: | Reference voltage through pull-up resistor (for passive devices) |
The Shelly Plus Add-on is a powerful expansion module that transforms your Shelly Plus or Gen3 devices into multi-sensor automation hubs, enabling smarter control, monitoring, and environmental awareness in residential, commercial, or agricultural applications.
This product is sold by a third-party seller and they are responsible for their product, the content of their listing and any exchanges or returns of their product.
All products sold by third-parties are subject to guarantees that cannot be excluded under the Consumer Guarantees Act.
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