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Making 5 Channel Relay Module On Double Layer PCB

Making 5 Channel Relay Module On Double Layer PCB


#electrifycircuit #relaymodulecircuit #relaymodule #arduinoproject #arduino #relay #newvideo #2022 #pcb #pcbdesign #easyeda

Hello Friend,

In this video, First, we soldering on zero PCB and check it works perfectly and then we design double layer PCB in PCB design software then we order and after we get PCB's and mount all components on PCB "5 channel relay module is ready"






Pin details

The relay module consists of six pins as a normally open pin, normally closed, common, signal, Vcc, and ground pins. 

Signal Pin: It is used to control the relay. This pin can be active low or active high. In the case of active low, the relay will activate when we apply an active low signal to the signal pin. On the contrary, in the case of an active high, the relay will activate when we apply an active high signal to the signal pin. But usually, these modules work on an active high signal. This signal will energize the relay coil to make contact with the common terminal with the normally open terminal.

Vcc Pin: As its name suggests, it is a 5V relay. That means it requires 5V DC to operate. Hence, connect the 5v DC power supply to this pin.

Ground Pin: Connect it with the ground terminal of the 5V power supply. Furthermore, if you are driving a relay module with a microcontroller, also connect this pin with the ground terminal of the microcontroller. 

Common Pin: This terminal is connected with the load that we want to switch with the relay module. 

NO Pin: This pin is normally open unless we apply an activation signal to the signal pin of the 5V single channel relay module. In this case, the COM pin breaks its connection with the NC pin and makes a connection with the NO pin. 




Component:-
  • 5-volt relay x5
  •  BC 547/548 transistor  x5
  • 330ohms resistor  x10
  • IN4007diode  x5
  • Screw terminals  2pols x1,3pols x5  
  • LED(any colors, I used RED here) x5
  • Female PIN  x5
Circuit Diagram:
  

Schematics and Gerber file download:- CLICK HERE

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