Matrix user forums

Hi Ben and Dazz, Whilst checking the voltage out of the regulator, which was correct, the power LED began to indicate. As far as I am aware I did nothing other than connect the multimeter probes. The regulator appears to be properly attached with good soldered joints. I am sorry for bothering you bu...

Hi David, Thanks for responding. The board is supplied with 13.5V and worked successfully on Monday with a PIC16F877. When I tried on Tuesday with a PIC16F819 it failed. At first I thought it might have been the PIC and I replaced it with another which again failed. It was then that I noticed the po...

Hi, My board which I have had for 2 or 3 years now and has worked satisfactorily until today when it reported that it could not ID the onboard chip. On closer inspection I notice that the power indicator LED is not illuminated. Can this be easily repaired?
Regards, Sidney