Type |
Value |
---|---|
Physical |
|
PCB size (LxWxH): |
40x21x7 mm / 1.57x0.83x0.28 in |
Weight: |
8.5 g / 0.3 oz (with the cables) |
Environmental |
|
Ambient temperature: |
-20 °C to 40 °C / -5 °F to 105 °F |
Humidity |
30 % to 70 % RH |
Electrical |
|
Power supply: |
|
Power consumption: |
< 1 W |
Input circuits ratings |
|
Digital inputs resistance: |
50 kΩ |
Digital inputs triggering voltage: |
1.5 V (active low level) |
Output circuits ratings |
|
Max switching voltage: |
30 V |
Max switching current: |
300 mA |
Sensors, meters |
|
Voltmeter: |
0-15 VDC / 0-30 VDC (Two-range) |
Voltmeter accuracy: |
|
Pulse counter input triggering voltage: |
1.5 V (active low level) |
Pulse counter max frequency: |
1 kHz |
External sensors supported: |
Single DHT22 or up to five DS18B20 |
Radio |
|
RF band: |
2400 - 2495 MHz |
Max. RF power: |
<20 dBm |
Wi-Fi protocol: |
802.11 b/g/n |
Wi-Fi Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
Bluetooth Protocol: |
4.2 |
Bluetooth Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
MCU |
|
CPU: |
ESP32-U4WDH |
Flash: |
4 MB |
Firmware capabilities |
|
Schedules: |
20 |
Webhooks (URL actions): |
20 with 5 URLs per hook |
Scripting: |
Yes |
MQTT: |
Yes |
CoAP: |
No |