Part Value C1 22p C2 22p C3 100n C4 100n C5 100n C6 22u C7 22u C8 10u C9 10u C10 10u C11 10u C12 100n CON1 DB9F/90 D1 2,7V IC1 16C73DIL IC2 MAX-232 IC4 78L05 R1 270 R2 39k R3 10k R4 33k R5 8.2k R6 100k R7 100k R8 2.2k R9 6.8k R10 1k R12 25k RN2 10k SW1 SW_DIP-4 SW2 Switch T1 BC557 U1 LM358N X1 4MHz DV-0802 8x2 LCD-Module