DIY Relay Module Making
by Creative creator in Circuits > Arduino
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DIY Relay Module Making
![4 Relay Board Module Making Just for Rs. 70 inr](/proxy/?url=https://content.instructables.com/FFS/4EKH/JHAUG9MF/FFS4EKHJHAUG9MF.jpg&filename=4 Relay Board Module Making Just for Rs. 70 inr)
First Watch The Full Video Then You will understand Everything.
12V Relay
![s-l300.jpg](/proxy/?url=https://content.instructables.com/FCD/FKCK/JHAUG9P7/FCDFKCKJHAUG9P7.jpg&filename=s-l300.jpg)
PCB Board
![PCB.jpg](/proxy/?url=https://content.instructables.com/FF4/VGDW/JHAUG9PZ/FF4VGDWJHAUG9PZ.jpg&filename=PCB.jpg)
Any PNP Transistor
![BC557_1.jpg](/proxy/?url=https://content.instructables.com/F62/82E0/JHAUG9WN/F6282E0JHAUG9WN.jpg&filename=BC557_1.jpg)
Use any PNP Transistor Which Can Handle 20mA At least.
I have used BC557
Link:
PC817 Opto-Coupler
![s-l300 (1).jpg](/proxy/?url=https://content.instructables.com/F61/NNBC/JHAUG9Z7/F61NNBCJHAUG9Z7.jpg&filename=s-l300 (1).jpg)
Resistor
![IMG_0061_annotate.jpg](/proxy/?url=https://content.instructables.com/F51/X8DX/JHAUGA32/F51X8DXJHAUGA32.jpg&filename=IMG_0061_annotate.jpg)
10k Resistor Link
1k Resistor Link
PCB Mount Screw Terminal Block
![AD305-2.jpg](/proxy/?url=https://content.instructables.com/FG7/QML4/JHAUGA68/FG7QML4JHAUGA68.jpg&filename=AD305-2.jpg)
2 PIN PCB Mount Screw Terminal Block Connectors - Green
Push Switch
![614Sa48jhEL._SY717_.jpg](/proxy/?url=https://content.instructables.com/F4L/UECJ/JHAUGAA8/F4LUECJJHAUGAA8.jpg&filename=614Sa48jhEL._SY717_.jpg)
Push Switch Link https://ouo.io/3MeONr
Indicator LED
![LED-lights-health-hazard.jpeg](/proxy/?url=https://content.instructables.com/FP1/TBCG/JHAUGADR/FP1TBCGJHAUGADR.jpg&filename=LED-lights-health-hazard.jpeg)
Green LED Link https://ouo.io/kIXm25
Full Made Board From Front Side
![Untitled design (16).png](/proxy/?url=https://content.instructables.com/F33/LGX4/JHAUGB00/F33LGX4JHAUGB00.png&filename=Untitled design (16).png)
Soldering of Each Channel
![Untitled design (14).png](/proxy/?url=https://content.instructables.com/FRI/GG0X/JHAUGB2T/FRIGG0XJHAUGB2T.png&filename=Untitled design (14).png)
Circuit Diagram
![CIRCUIT DIAGRAM.jpg](/proxy/?url=https://content.instructables.com/FXY/KRCU/JHAUGB7F/FXYKRCUJHAUGB7F.jpg&filename=CIRCUIT DIAGRAM.jpg)
Single Module Connection With Arduino.
![Untitled design (15).png](/proxy/?url=https://content.instructables.com/FQ0/6AVO/JHAUGB9E/FQ06AVOJHAUGB9E.png&filename=Untitled design (15).png)