pg4d. Log in. Open app. 0 posts. 1 follower. 0 following. pg4d. Follow. No Posts Yet. When pg4d posts, you'll see their photos and videos hereThe PIC-PG4D board is a development board for PIC microcontrollers that features a socket for a PIC16F84A or PIC16F628 microcontroller, extension slots, an onboard programmer,