I guess, since pretty much any form of the ESP32 board is technically a prototype board due to the fact that the ESP32 is the SOC, not the actual project board it is attached to, that makes this one I built a hat for a proto board In my development of the hardware for the package vault, I took an Espressif ESP32 Devkit V1 board and soldered it to a perf board and added some headers and RGB led for testing. I wished that this board came header pin-less. I guess you can get them that way but they are twice the cost. It is an ugly little bug but it does the proto job.
In that vein, now that I have a working model, I thought about making a board that was production that had the same elements but could either have the module soldered on like my test board or I could install header rails and be able to plug/unplug the module from the board. Since I knew I was going to probably always need a push button and a status led of some sorts, I integrated them into the design. And since PCBway is so freaking cheap, I had 10 of them made up. Waiting on them to arrive so I can use one for the vault. Nice thing is, I don’t have to put the headers on the board and can solder wiring directly to it instead if it is going to be a permanent device in a project. Oh yeah, and I integrated a K7805-2000 linear buck converter (12v to 5V, 2A) and a jumper for input and output so I can feed 12v into the board and select whether I feed the ESP with input voltage or a controlled 5v. I also get 5v out on the same screw terminal block that could be an input feed as well or an output from the buck to feed a relay board or what not. Pretty versatile setup.
My ugly bug…
The new design