Big digit 7-segment Clock using ATtiny3216

Big digit 7-segment Clock using ATtiny3216

This is a giant digital clock, featuring four large LED displays that provide the time in a format you can read from the other side of the room. by David Johnson-Davies:

This clock was inspired by some 2.3″ one-digit 7-segment displays I saw on AliExpress [1]. I decided it would be fun to have a clock that you can see clearly from a distance. The displays come in a variety of colours and voltages; I chose the red 4V versions so I could drive them directly from the microcontroller’s I/O lines without needing driver transistors. My displays are common-cathode, but a minor change to the program would make it work with common-anode displays.

Big digit 7-segment Clock using ATtiny3216 – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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