I have now got a vreg in operation. It is supplying 4.5V to three wireless doorbell receivers. Effectively replacing the 3 x 'AA' which once powered them. The problem I have now is that using a multimeter, when connected to the wires which previously powered the 'speaker' + and -, I can read the 4.…

How to handle a circuit switched by ground

Grumpy_Mike March 25, 2012, 4:09pm 4

Sorry can't follow the words on what you did, do you have a schematic?

Topic		Replies	Views
Audio processing Troubleshooting	28	12104	May 6, 2021
Dubbio su corrente di ritorno da speaker condiviso Hardware	22	5847	May 7, 2021
Read Values from a Speaker General Electronics	27	9518	May 6, 2021
Confused by how a speaker was powered General Electronics	6	1456	May 6, 2021
Help reading voltage on an analogread pin Troubleshooting	54	16988	May 6, 2021