Two-way 5V relay module with optocoupler isolation protection low-level trigger two-way relay module expansion board

  Tips:Because of the meager profit in our shop, most modules only provide description or send information, and there is no technical consultation support. Please take caution when you are a beginner! Module parameters: 1. dimensions: 50.5mm (length) *38.5mm (width) *18.5 (height) 2. Weight: 31g 3. PCB color: Black 4. There are 4 fixing screw holes around the board with a diameter of 3.1mm, which is convenient for installation and fixation 5. The relay is Songle relay, single pole and double throw. A common terminal, a normally open terminal and a normally closed terminal 6. Optocoupler isolation, good anti-interference   7. Pull-in at low level and release at high level. The status indicator lights up when pulling in and goes out when releasing 8.VCC is the system power supply, JD_VCC is the relay power supply. Just plug in the jumper cap Electrical parameters: Power supply voltage: 5VDC Current: Greater than 100mA Load: 250V 10A AC or 30V 10A DC   Wiring instructions: VCC: the system power supply is positive GND: The system power supply is negative IN1--IN2: relay control port (Do not reverse, causing the module to burn out we do not give back.) )      Shipping list: One of 2 relay modules with optocoupler