"Commodore:, "ZX Spectrum", "Atari", "Amiga", "retro komputery", "cartridge", "kartridż", "emulator Pi1541", "Procesor Zilog Z80", "pamięć 4116", "pamięć 4164", "pamięć 41464", "tapecart", "tapuino", "TZXDuino"
PCB board for the GM-328 tester for transistors, resistance, capacitance, inductance, and frequency.
https://www.pcbway.com/project/shareproject/Transistor_tester_GM328A.html