Description
ESP8266 ESP-01 Wifi Module
Processor: ESP8266
Wifi: IEEE 802.11 b/g/n Wi-Fi
Pinout:
VCC, Voltage (+3.3 V; can handle up to 3.6 V)
GND, Ground (0 V)
RX, Receive data bit X
TX, Transmit data bit X
CH_PD, Chip power-down
RST, Reset
GPIO 0, General-purpose input/output No. 0
GPIO 2, General-purpose input/output No. 2
Weight: 1.4g
Datasheet: https://www.espressif.com/sites/default/files/documentation/0a-esp8266ex_datasheet_en.pdf
Technical Reference: https://www.espressif.com/sites/default/files/documentation/esp8266-technical_reference_en.pdf
