There is a mixed bag of esp12F circuits on the Internet, and it needs to test the ink screen. I used 8266ex to make a small board before, but it was troublesome to press buttons every time I made slight changes, so I came up with this development board.
Board features include:
1. Use the typec interface and abandon the old microusb port.
2. Commonly used pins, where P is equivalent to GPIO (for example, P15 is GPIO15). If the silk screen takes up too much space, use P instead.
3. Except for the antenna part, the entire PCB is covered with copper to enhance the strength of use.
4. Use ch340c as the download circuit chip, which can automatically download.
5. A circuit is added to port A0 and can be used directly.
HD large picture
1. Front
2. reverse side
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