Arduino Prototype to Manufacturable PCB: An LED Multiplexer - Hackster.io
I designed and soldered my first PCB with a microcontroller on it (stm32f103rct6). I accidentally used 0201 cases for a couple of my capacitors and those were not fun to hand solder. :
Getting Started With nRF52 MCU in a PCB
pcb - How is this crystal layout? - Electrical Engineering Stack Exchange
Microcontroller Tutorial 5/5: Soldering and Programming