Erik van Zijst shared the details of his custom made 24H digital clock build on Medium!
After 20+ years of programming, I wanted to get some understanding of the electronics that make my career possible.
I had built the basic individual logic gates with transistors on a breadboard, but to build anything meaningful I needed loads of them and so I bought a somewhat random collection of logic chips on Amazon which introduced me to the 7400-series and the concept of datasheets.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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