Shelly Plus Add-On
- Envío gratis a partir de 50 € · entrega en 24/48h
- Garantía oficial 3 años · soporte técnico en español
- Distribuidor oficial Shelly · PRO Partner
- In stock, ready to ship
- Backordered, shipping soon
Shelly Plus Add-On — Sensor Expansion for Shelly Plus Devices
The Shelly Plus Add-On is an expansion accessory that connects to the add-on port of Shelly Plus devices, adding support for external temperature, humidity, ambient light, and dry contact sensors. It has no connectivity of its own — it uses that of the host device.
Technical Specifications
- Interface: Proprietary add-on port (serial)
- Compatible sensors: DS18B20 (temperature), DHT22 (temperature + humidity), LDR photoresistor (lux), dry contact, pulse counter
- Compatible host devices: Shelly Plus 1, Plus 1PM, Plus 2PM, Plus i4
- Power supply: from the host device
- Operating temperature: -40 °C to +70 °C
- Certifications: CE, RoHS
Key Features
- Compatible with multiple types of external sensors
- No additional installation: connects directly to the add-on port
- Sensor data accessible via REST API, MQTT, and mJS scripting
- Local automations based on temperature, humidity, or external signals
- Compatible with Home Assistant (local, no cloud)
Use Cases
- Temperature monitoring in rooms, greenhouses, or warehouses
- Humidity measurement for climate control
- Door or window opening detection via dry contact
- Integration of sensors into DIY home automation systems
Integrations
- Home Assistant (local, no cloud)
- MQTT, HTTP REST API, mJS Scripting
Conectividad
- Interface: Proprietary add-on port (serial connection)
- Compatible with: Shelly Plus 1, Plus 1PM, Plus 2PM, Plus i4
- No built-in Wi-Fi or Bluetooth connectivity
- Uses the host device's connectivity
- Supports sensors: DS18B20 temperature, DHT22 humidity, LDR photoresistor, dry contact, pulse counter
Especificaciones técnicas
| PHYSICAL | |
|---|---|
| Size (HxWxD): | 37x42x15 ±0.5 mm / 1.46 x 1.65 x 0.59 ±0.02 in |
| Weigh: | 105 g / 3.70 oz |
| Shell material: | Plastic |
| Screw terminals maximum 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: | 3.3V (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 |
| VREF+R1 OUT resistor | 10 k? |
| SHELLY PLUS DEVICE FIRMWARE CAPABILITIES | |
| Shelly Plus Add-on 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% |
| MQTT: | Forks |
| CoAP: | No |
Documentación y recursos
API Documentation
This device · All Shelly Devices and Services
Printed user manual
Multilingual user and safety guide
Certifications and compliance
Multilingual EU declaration of conformity
Installation guides
Envío en 24/48h a España peninsular y Baleares (también Portugal continental). Envío gratis a partir de 50 €. Garantía legal de 3 años. Devoluciones en 14 días. Factura con IVA y soporte técnico real en español.
