description
ESP-12 module working Fi 802.11 b / g / n system ESP8266. The module is equipped with 16 pins with a pitch of 2 mm with the possibility of soldering goldpinów, on the connector is 9 GPIO lines and 1 line of ADC. Built-in PCB antenna.
pin assignment
TXD / RXD - lines UART interface
GND -
VCC - 3.3 V power supply
CH_PD - Power line down, after joining the GND module goes into sleep mode.
ADC - ADC line
REST - Reset
GPIOx - lines GPIO module
Warning! Giving the line CH_PD 3.3 V and GND on line GPIO15 starts firmware update mode module.
properties
module ESP8266
Voltage: 3.3 V
operating frequency of 2.4 GHz
Transmit power level: +25 dBm
It has a microstrip antenna
Standard WiFi - 802.11 b / g / n
Connectors: 9 GPIO ports, 1 port ADC, UART
transmission UART
Dimensions: 22 x 16 [mm]
참고