That’s exactly what [Jay Hamlin] did when he built a digital clock based on LED filaments. The heart of the project consists of orange LED filaments similar to the ones used in vintage-style LED ...
Ah, the 5mm LED. Once a popular choice ... [Ian Dunn] chose those very parts to produce his 4017 Decade Binary Clock. The clock uses only digital logic ICs to tell the time – there are no ...
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