In EasyEDA open source hardware lab, open source square pools all kinds of electrical design engineerings together to realize resource sharing easily.
Line Follower Robot (with PID controller)
IoT - Maker and IOT Ideas
Advanced View Pic Microcontroller Projects List - PIC Microcontroller, PDF, Microcontroller
6-Key Macro w/ Generic Pro Micro - EasyEDA open source hardware lab
IOT BeeHive - Beehappy Project : 11 Steps (with Pictures) - Instructables
TM Cougar MMJoy2 based PCB - Thrustmaster - ED Forums
arduino pro micro Resources - EasyEDA
PD Micro - A Pro Micro with USB-C Power Delivery
Arduino Pro Mini 328 - 5V/16MHz (Open hardware) - EasyEDA open source hardware lab
Advanced View Arduino Projects List - Use Arduino For Projects, PDF, Arduino
Arduino pro micro - EasyEDA open source hardware lab
Arduino Pro Micro (Schematic) Resources - EasyEDA
TM Cougar MMJoy2 based PCB - Thrustmaster - ED Forums