Hello guys! I wanted to ask if an arduino uno's output voltage can possibly turn on a 5v or 12v relay? We went to a electronics shop and tested it, the relay didn't clicked. It did click when we supplied it from a electrical outlet source. It is possible we could mutliply the output voltage made by …

Arduino uno turning on a relay

Grumpy_Mike September 21, 2016, 4:14am 3

Google these words:-

arduino connecting a relay

Lots of examples of how to do it right. Note you will need a diode across the relay.

Topic		Replies	Views
output current General Electronics	4	1282	May 6, 2021
Connecting 6VDC relay with Arduino? Frequently-Asked Questions	21	13906	May 6, 2021
Output pin cannot drive a relay General Guidance	4	1882	May 5, 2021
Working with relays General Electronics	5	1607	May 6, 2021
Using a single power supply for both Arduino and a relay General Electronics	10	9302	May 6, 2021