ESP-12F-DAT
https://docs.ai-thinker.com/_media/esp8266/docs/esp-12f_product_specification_en.pdf
https://www.elecrow.com/download/ESP-12F.pdf
| left | -- | right | -- | func |
|---|---|---|---|---|
| RST | external pull-up, with cap | TXD | ||
| ADC | RXD | |||
| EN | external pull-up | IO5 | ||
| IO16 | IO4 | |||
| IO14 | IO0 | external pull-up | mode select | |
| IO12 | IO2 | external pull-up | ||
| IO13 | IO15 | external pull-down | ||
| VCC | GND |
- on module LED IO2: low to on