2 Road/Channel Relay Module (with light coupling) 12V
- Dimensions: 50.6mm (long) *38.8mm (wide) *19.3mm (high)
- Weight: 30g
- PCB color: Black
- Around the board with 4 fixed screw holes, hole diameter 3.1mm, easy to install and fix
- The 5 relay selection of quality Songle relay, spdt. A common end, a constant beginning, a normally closed end
- Optocoupler isolation, good anti-interference
- Low level is high level release. The pull in state indicator lights, status indication lamp release
- VCC for the system power supply, JD_VCC for the relay power supply. The default 5V relay, plug jumper cap
- Relay Max Output: DC 30V/10A, AC 250V/10A
- Relay board module is used for controlling higher current loads from your microcontroller development board, PC parallel port or Arduino Uno.
- This board has two on-board relay which can switch up to 7Amps.
- Relays terminals (C, NC, NO) are accessible through screw terminals which makes wiring up the board very easy.
- The relay is safely driven by transistor BC547 hence your input device, such as Arduino, is protected from relay circuit.
- There is freewheeling diode which will further protect your microcontroller from relay kick back.
- Single channel 12 volt relay connection are
- Connect VCC to 12 volt power supply
- Control signal is used to control the relay. If signal will be HIGH (5V) the relay will be switched to NO(Normally Open) and if signal is LOW (0V) the realy will be switched to Normally Connected (NC)
- If control signal is high the led will be glow and Vice- versa.
- This is a 12V 2-Channel Relay interface board which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, 8051 and so on.
- VCC: system power supply cathode
- GND: system power source cathode
- IN1--IN2: relay control port.
- 1 x 2V 2CH relay module
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