Adapter DIP-20_A1 Components
Part list

R1 – 1k
R2, R3 – 4k7
R4 – 2k2
R-PACK – 9x10k or 8x4k7…10k
D1– 1N4148 or KD522
V1 – BC547
IC1 – 74HC139
BU5 – Straight pin-header 2x16, division 2.54
BU7 – Straight pin-header 1x5, division 2.54
BU8 – IC Socket DIL-20