Development boards usually hide all the interesting engineering under a neat enclosure. Most of us connect a USB cable, upload some code, and start building projects without thinking much about what's happening underneath. But every now and then, it's worth taking a closer look at the hardware itself. That's exactly what I did with the ESP32-2424S012C , a compact ESP32-C3 development board that comes with a built-in 1.28-inch IPS capacitive touch display. At first glance, it looks like a tiny sm