Compact USB-C powered Wi-Fi and Bluetooth device that can connect to various sensors and low-voltage peripherals to monitor and control temperature, humidity, voltage, and digital inputs/outputs.
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Dual connectivity: Wi-Fi and Bluetooth for versatile communication
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USB-C operation for safe and easy 5 V installation in any environment
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Integrated Bluetooth gateway for communication with nearby devices
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Shelly Gen3 functionality with local actions, scripts, and virtual components for full automation control
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Sensor reader for temperature, humidity, and environmental data with cloud logging and statistics functions
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Advanced automation and integration via MQTT, WebSocket, HTTP, and virtual devices
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Expandable design through add-ons for digital inputs/outputs, analog measurements, and high-precision voltage measurement
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Configurable peripheral modes to support a wide range of external modules and extensions
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High-precision analog measurement for detecting DC voltages up to 30 V with the external add-on
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Three configurable digital inputs/outputs for direct logic-level control and system interfaces
Circuit diagram
|
Quantity |
Value |
|---|---|
|
Physical |
|
|
Size (HxWxD): |
26 x 19.95 x 8.5 mm / 1.02 x 0.79 x 0.34 inch |
|
Weight: |
3 g / 0.11 oz |
|
Shell material: |
Plastic |
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Shell color: |
White |
|
Environmental |
|
|
Ambient working temperature: |
-20 to 40 °C / -5 to 105 °F |
|
Humidity: |
30 % - 70 % RH |
|
Electrical |
|
|
Power supply: |
5 V⎓ (from USB Type-C port) |
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Power consumption: |
< 1 W |
|
Input circuits ratings |
|
|
Digital inputs triggering voltage: |
Active LOW; Trigger low: < 0.83 V Trigger high: > 2.48 V |
|
Digital inputs max. voltage |
3.3 V |
|
Output circuits ratings |
|
|
Max. switching voltage: |
3.3 V (logic-level) |
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Max. switching current: |
20 mA |
|
Sensors, meters |
|
|
Voltmeter (DC) |
|
|
Voltmeter accuracy: |
±(2% + 5d) |
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Internal temperature sensor: |
No |
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External sensors supported: |
|
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Radio |
|
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Wi-Fi |
|
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Protocol: |
802.11 b/g/n |
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RF band: |
2401 - 2483 MHz |
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Max. RF power: |
< 20 dBm |
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Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) |
|
Bluetooth |
|
|
Protocol: |
BLE 4.2 |
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RF band: |
2402 - 2480 MHz |
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Max. RF power: |
< 10 dBm |
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Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
|
Microcontroller unit |
|
|
CPU: |
Shelly ESP32 C3 (ESP-Shelly-C38F) |
|
Flash: |
8MB |
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Firmware capabilities |
|
|
Schedules: |
20 |
|
Webhooks (URL actions): |
20 with 5 URLs per hook |
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Scripting: |
Yes |
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MQTT: |
Yes |
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Encryption: |
Yes |
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Other: |
Supported Accessories:
Supported add-ons:
|
