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Misc digital PCB

This board is full of 54xx series logic. It’s function is unknown.

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Recent Posts

Russian Avionics ARK-22 Radio Compass teardown
Vandling / Global NDB-2 aircraft navigation unit teardown
Large 2.3″ 6 digit 7 segment display board for hobbyists
Plessey PV1754X military radio control box teardown
Connecting vintage incandescent (filament) displays to a microcontroller

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ESP8266 NTP Clock With YouTube Subscriber & Views Counter Display - TechBuzz on ESP8266 based NTP clock with YouTube statistics display
ESP8266 NTP Clock With YouTube Subscriber & Views Counter Display – PinSystem on ESP8266 based NTP clock with YouTube statistics display
Adrian Smith on Build a large 6 digit clock using 1.8″ + 0.8″ LED displays and TPIC6B595 shift registers
David Edwards on Build a large 6 digit clock using 1.8″ + 0.8″ LED displays and TPIC6B595 shift registers
David Edwards on Build a large 6 digit clock using 1.8″ + 0.8″ LED displays and TPIC6B595 shift registers

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