Jump to content

PCB problems

Daniel
in Engineering

Featured Replies

Hey guys

 

Need some help, I have a PCB built and it doesn't quite operate as I expect it to.

 

I have a PIC microcontroller and a couple of LEDs which should be on when it is operating. The ground and power planes are providing power to the PIC, the MCLR pin is set high and the rest of hte circuit seems to work.

 

However, the PIC just doesn't work. It seems to burn out after awhile.

 

Another phenomena which happened was the LEDs turned on when I brought my hand over the board, but turned off when I pulled it away. The circuit died soon after.

 

And funnily enough, the PIC seems to be fine. I just reprogram it and put it back in, and it operates (until it dies out again).

 

Any ideas ?

Archived

This topic is now archived and is closed to further replies.

Go to topic listing

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.

Configure browser push notifications
Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.