For this project you will need 1 Arduino UNO R3, 1 8-Bit Shift Register, 4 Red LEDS and 4 220 Ω Resistors.
Basic BCD Counter using 7447 IC Digital Counter using Arduino Uno 4-bit Synchronous Up/Down Binary Counter using 74192 IC BCD Counter with 7447 IC Uses a 7490 Decade Counter connected to a 7447 BCD to ...
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