modified 9 years ago

Transistor switch relay

01:31:18

Does it ok?

published 9 years ago

greatmaestro

9 years ago

I would like use it for raspberry pi2, I have got 5V relays and I would like to use transistor to switch them by GPIO (3.3V)

2ctiby

9 years ago

Why have you put the Pi output as 1v instead of 3.3v in your schematic for the transistor base source? The diode will need attention, as will the base resistor, and what is the 10 ohm resistor there for? It would be advisable to keep away from using mains/high voltage in your work for the time being while we work through this setup.

2ctiby

9 years ago

Here is a website which may give you some ideas. Good luck, try again here after reading that... http://www.susa.net/wordpress/2012/06/raspberry-pi-relay-using-gpio/

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