JDM Programmer
A very simple programmer for PIC16F628/28A and PIC16F84/84A. Schematic: Components: D1, 5.1v zener diode D2, 8.2v zener diode D3-D6, 1N4148 Q1-Q2, BC550c L1, red LED L2, yellow LED L3, green LED R1, 4.7k ohm R2-R3, 470 ohm R4, 2,2k ohm R5, 10k ohm IC1, 18 pin socket X1, DB9 female C1, 22uF/16v C2, 100uF/16v