Based on the small board of esp8266ex, Lichuang purchased the wrong model from overseas and bought 8266ex, so we made a small board, which can roughly understand the internal structure of the 12F series on the market.
It can be used directly as a development board. The flash program needs to be connected to USB to TTL, and the way to enter the flash mode is to enter the flash mode (you can press and hold RST and Flash at the same time, press and release RST, and finally release the Flash button).
No schematic diagram, can be used directly on PCB board
1. Finished product picture
2. Usage examples
HD pictures
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