In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Using a single GPIO port on a microcontroller to control N bits of arbitrary parallel binary outputs, e.g., a multi-digital display.

March 5, 2026: We checked for new Genshin Impact codes and verified our list. What are the new Genshin Impact codes? Gathering Primogems and Mora in Genshin Impact can be quite the grind. Fortunately, ...

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