I've been designing an ESP32-based dev board recently and I got to thinking - what's the minimum we can get away with and still have something that works? As always we're sponsored by Turns out that you don't need much at all, a pretty interesting experiment - though it did involve a lot of cursing as I tried to get stupidly tiny bits of wire soldered onto very tiny pads... Want to get notified when I blog or post a video? You can subscribe to the atomic14 newsletter so you never miss out! There's also the monthly Maker News - full of interesting titbits and videos: --- If you'd like to help support the channel and help me buy more nonsense - I have a Patreon page: To get notified when new content is published - sign up for the atomic14 newsletter - And if you're shopping on AliExpress or Amazon then if you click on these links I will get a little bit of affiliate money: Aliexpress - Amazon - You can also join us on Discord here: And don't forget about the MakerNews newsletter -