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This relay module can be signal triggered low or high, selectable from the jumper pin on-board. It can be controlled directly by the microcontroller a 5V signal, or a 12V signal if you're using the 12V version. The inputs are opto-isolated to protect any delicate control circuitry. An LED indicator will turn on together with the relay when triggered.
The relay module is able to control various appliances and other equipment with a large current. Relay output maximum contact is AC 250V 10A or DC 30V 10A. Each channel consumes about 15 - 20mA current when active.
If you're using this with 3.3V microcontrollers such as Raspberry Pi, ESP8266, ESP32, 3.3V Arduino boards, etc, you will need to add a logic level shifter to use with this relay module.
- Input Voltage: 5V / 12V
- Input Signal: 5V / 12V
- Relay Rating: DC 30V / AC 250V 10A
- Current Rating: 15 - 20mA per Channel
- 1x Relay Module 4 Channel