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ESP-01 (ESP8266)
EspressifESP8266
Minimal 8-pin ESP8266 Wi-Fi module (AI-Thinker ESP-01). 3.3V only; CH_PD must be high to run, and GPIO0 low at boot enters flash mode. Two usable GPIOs.
In stock
Specifications
0No specs listed.
Pinout
8| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | GND | GND | Ground |
| 2 | GPIO2 | GPIO | GPIO2 (HIGH at boot) |
| 3 | GPIO0 | GPIO | GPIO0 (LOW = flash mode) |
| 4 | RXD | UART | UART RX |
| 5 | TXD | UART | UART TX / GPIO1 |
| 6 | CH_PD | GPIO | Chip enable (tie HIGH) |
| 7 | RST | GPIO | Reset (active LOW) |
| 8 | VCC | POWER | 3.3V supply |
Interactive pinout
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ESP8266
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