names are taken from the detailed version. resistors (unit = ohm) R1 220 R2 10K R3 470 R4 4k7 capacities (unit = farad) C1 15-22p C2 15-22p C3 10u C4 100n C5 100n C6 4u7 C7 4u7 C8-C12 1u diodes D1 LED ICs IC1 PIC 16F877 20 MHz (!) IC2 LM7805 IC3 MAX232CPE clock source Q1 20 MHz