I experimented with Eagle a while, and then with KiCad also. Uh, would anyone happen to be familiar with Michigan state laws regarding display of illuminated images from moving vehicles? I'll get new shiny ESP-32/IMU/Dotstar LED driver PCBs next week. They're in Hong Kong fronting for NOA Labs, a German company, so they're all celebrating Chinese Oktoberfest this week. They do part sourcing and assembly too, but I'm only prototyping for now. They also do aluminum single-sided boards. 50mm x 50mm 2-layer 8mil trace/space PCBs on your doorstep with stencil in about 12 days for ~ $80. Take a glance at, I've found them to be prompt, accurate, and affordable. They also have some cute SSD1306 OLED modules, and ESP32 WROOMs for USD$3.50. DHL from China or Hong Kong is terrific if you need them fast, but $$$. I bought WROVER modules from Electrodragon ( ), at USD$4 for the base 4MB, I ordered up a small pile of them on a cheap boat. extra sugar please, 'cause their tech level is SWEET. I got a Pro copy of Eagle from them a while back, and used a 'scope from them to debug the EEPROM I2C driver for the circuit above. They also take bitcoin, and that's my clincher, coin is worth a lot right now.
They don't have any of the WROVER modules today, but their WROVER kit with the big TFT looks great. There are also some cloud based PCB desing software like EasyEDAĪdafruit ( ) has a few, and the extra dollar in price means it will be on your doorstep pretty quick. I would definitely recommend to learn how to use Eagle or KiCad if you want to make any kind of PCB design. Quick search on GitHub finds more than dozen: Capstan wrote: If there are "dozens of projects on GitHub" that incorporate the ESP32 I'd like to see a few, so far have found only the ones I mentioned previously.
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