Quantity   Component name
3 × NE555 Discrete Semiconductors / Power Transistors and MOSFETs
8 × TL071 Amplifier and Linear ICs / Operational Amplifiers
6 × 2SK3386 Discrete Semiconductors / Diode-Transistor Modules
10 × 1N4148 Discrete Semiconductors / Diodes and Rectifiers
2 × 74HC273 Electronic Components / Misc. Electronic Components
3 × 74HC157 Logic ICs / Decoders, Encoders, Multiplexers, Demultiplexers
3 × 74HC14 Electronic Components / Misc. Electronic Components
1 × 74HC00 Electronic Components / Misc. Electronic Components
2 × 74HC04 Electronic Components / Misc. Electronic Components
2 × 74LS06 Electronic Components / Misc. Electronic Components
1 × LM7805 Power Management ICs / Linear Voltage Regulators and LDOs
1 × LM7812 Power Management ICs / Linear Voltage Regulators and LDOs
4 × T-68-2 Toroidal core