Pro Micro - 5V/16MHz (Open hardware) - EasyEDA open source

In EasyEDA open source hardware lab, open source square pools all kinds of electrical design engineerings together to realize resource sharing easily.

arduino nano - EasyEDA open source hardware lab

MEGA34U4 pro micro usb tape c - Share Project - PCBWay

I Made My own ARDUINO Uno Board

arduino-pro-mini pcb - Search - EasyEDA

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Pro Micro - 5V/16MHz (Open hardware) - EasyEDA open source hardware lab

6-Key Macro w/ Generic Pro Micro - EasyEDA open source hardware lab

MEGA34U4 pro micro usb tape c - Share Project - PCBWay

arduino-pro-mini pcb - Search - EasyEDA

arduino-pro-mini - Search - EasyEDA

pro mini - EasyEDA open source hardware lab