Introduction: Arduino Relay Circuit

Picture of Arduino Relay Circuit

The circuit is used a relay wthe arduino to control high voltage electronics.


Relay (5 VDC)

2.2 K Resistor

330 ohm Resistor

green led

IN4007 Rectifier Diode

BC547 Transistor

Step 1:

Picture of

Step 2: The Schematic

Picture of The Schematic


kohellus made it! (author)2016-03-20

Made it. Relay works but the led doesnt light up. Iam not sure about my knowledge of schematics so i just put the led plus to +5v and the minus between relay minus and the 547b, resistor is there too. dont know if its correct though. but great instructable thanks!

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