Hi Team, I have been trying various attempt without success, and really appreciate your help. I am looking at example 18 and using port 8 as a control to kick start a Relay as attached. The problem is that the current from port 8 will not be able to kick start the Relay. (I think the current is a…

Why is the digitalWrite output low in voltage?

Topic		Replies	Views
5 volts from digitialWrite General Guidance	4	1618	May 5, 2021
Arduino and a Relé Frequently-Asked Questions	5	1453	May 6, 2021
Arduino leonardo outputting just 2.5v ? General Guidance	8	2108	May 5, 2021
digitalWrite does not trigger Relay Programming	19	14971	May 5, 2021
Voltage dropped General Electronics	20	2216	May 6, 2021