Started by tjohnson, 15:11, 06 April 20
0 Members and 1 Guest are viewing this topic.
Quote from: tjohnson on 17:13, 04 May 20Hi Bryce, I found your old post (here) where you show how to create an inverter, my main concern is that if I pull the pin from the processor then measure the base of the transistors I get about 3v. From the circuit diagram it looks like this is from the +8v line via R663 (4.7k). however when I plug in the pin from the rpcessor and measure I get the following at the base 1.2v (high) or about 0.1v (low) so somehow overrides this. Do you think this would work?
Quote from: Bryce on 20:16, 09 May 20Unless there are dry joints on the 4K7 resistor or a crack in the PCB trace, it really could be internal damage in the CPU.Bryce.
Page created in 0.150 seconds with 37 queries.