Specs
- ESP8266 in ESP01 format (8 pins) with 1MB flash memory, ceramic antenna
Note
Because flash is only 1MB, OTA/Web Update are not possible
Be aware
This ESP01 cannot be used on Bigtreetech boards as it is, a small rework is necessary to bridge VCC pin with CH_PD pin
Pinout
1 | 2 | 3 | 4 |
---|---|---|---|
GND | IO02 | IO0 | RXD |
TXD | CH_PD | RESET | VCC |