Macropads can be as simple as a few buttons hooked up to a microcontroller to do the USB HID dance and talk to a PC. However, you can go a lot further, too. [CNCDan] demonstrates this well with ...
While Apple weren’t the first to invent high-DPI displays or to put them into consumer electronics, they did popularize them fairly effectively with the Retina displays in the early 2010s ...
XDA Developers on MSN
This adorable ESP32 project puts Pac-Man on a tiny 1.69-inch screen
It's more than just a trinket, though.
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