Components list
---------------

1N4001                   D1
1N4148                   D2,D3,D4
LED                      D5
BC547 (GP-NPN)           Q1,Q2
78L05                    U1
LM317L                   U2
PIC16C84                 U3    

15p ceramic              C6,C7
100n dipped ceramic      C2,C3,C4,C5
10u/35V tantalum         C1,C8
4MHz crystal             X1

100R                     R11,R12
220R                     R8
1k                       R1,R2,R3,R4,R9
2.2k                     R7,R10
4.7k                     R13
10k                      R5,R6

2.5mm power jack         PL1
10-pin IDC connector     PL2
16-pin IDC connector     PL3

