find modules here - esp8266-modules-dat
common pins
| pin | setup | func | Note |
|---|---|---|---|
| U0_RXD | GPIO3 | I/O UART Rx during flash programming | |
| U0_TXD | GPIO1 | I/O UART TX during flash programming; | SPI_CS1 |
serial1 = U0
bootstrap
| pin | setup | func |
|---|---|---|
| RESET | pull up + cap 0.1 UF | |
| EN | pull up | |
| IO0 | pull up | |
| IO2 | pull up | on-module LED |
| GPIO15 | pull down |
programmer
- DPR1150-dat - NWI1070-dat for ESP-01/01S
ref
-
design guidelines - https://espressif.com/en/support/download/documents?keys=&field_type_tid%5B%5D=16
- CN datasheet of all series - esp8266系列使用手册.pdf
- Module datasheet please see here: https://github.com/Edragon/ESP8266-HDK/tree/master/MOD
Common Used