XDA Developers on MSN

I made a basic arcade machine with this ESP32-powered display

That 36 MB/s has to be sustained from PSRAM to the LCD DMA, while the CPU (and LovyanGFX, used for graphics) are also writing ...
Hackaday

Regular Old Diodes Can Be More Photosensitive Than You Think

Dhananjay Gadre] happened across a useful little trick the other day. Take any old 1N4148 or 1N914 glass-package signal diode ...

Drawer full of USB cables? This tiny tester tells you which ones actually work as advertised

The Treedix multifunction USB cable tester quickly identifies which cables still work and which ones belong in the recycling bin.