ESP8285 development board

I sold the development board I made before and drew a new one~

This time we don't use finished modules to reduce costs as much as possible.

The PCB antenna always reports the wrong spacing within the package. Can it be optimized?

Verification successful!

For some mysterious reasons, the directions of the silk screen printing on the board and the silk screen printing on the chip are reversed.

I forgot to draw the pull-down resistor of GPIO15, it has been added.

It seems that there will be no signal when the capacitor of the antenna matching network is installed. I haven’t learned radio frequency yet, so I will remove it first and use it~