Partlist Part Value Device 27 x 100n blocking capacitor 8 x 100µ blocking electrolyte capacitor 16 x 2k2 3-resistor network 1 x 1k 4-resistor network 1 x jumper 10 x 74AC245N 9 x 74AC86N 2 x 74AC574N 1 x 74AC08N 1 x 74AC139N 2 x 74HC4078N 4 x 74AC283N