- ESP8266 in ESP7 format with 4MB flash memory, ceramic antenna/ipex connector

Pinout
Section titled “Pinout”| 1 | 2 |
|---|---|
| RESET | TX |
| ADC | RX |
| CH_PD | IO5 |
| IO16 | IO4 |
| IO14 | IO0 |
| IO12 | IO2 |
| IO13 | IO15 |
| 3.3V | GND |

| 1 | 2 |
|---|---|
| RESET | TX |
| ADC | RX |
| CH_PD | IO5 |
| IO16 | IO4 |
| IO14 | IO0 |
| IO12 | IO2 |
| IO13 | IO15 |
| 3.3V | GND |