After looking around for an easy-to-manufacture single-sided Arduino board, [Johan] realized there weren’t many options for someone new to board etching. He created the Nanino, quite possibly ...

Here is a list of materials you will need to produce a single-sided board. With the exception of the copper clad and PCB drills, everything on this list is easily obtained at your local store.

Just order the components (RF7021SE from Aliexpress and Blue Pill STM32DUINO clone) and put on board. Do not forget to replace the RF7021SE standard oscillator with a supported TCXO. The second pcb ...