1.3. Applications using ESP8266EX!
1.3.1. UART Connector (as in Fig. 4 Demo Board)
PIN Definition for UART Connector:
UART0: (PIN 25) U0RXD+ (PIN 26) — Communication
UART1: (PIN 14) GPIO2( TXD) — Print Log
uart0 can be used to transmit and receive data packets while uart1 can be used to print
log.
Refer to AT commands section for usage.
Application: Used in demo board
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1.3.2. Sensor Application (as in Fig. 5 USB Sensor Demo)!
PIN Definition for Sensor Application:
(PIN 9) MTMS — I2C_SCL
(PIN 14) GPIO2 — I2C_SDA
(PIN 12) MTCK — Reset button (Press on the reset button during power on)
(PIN 15) GPIO0 — Wi-Fi status indicator
(PIN 10) MTDI — Server communication status indicator
(PIN 25) U0RXD — Button (function to be defined)
(PIN 13) MTDO — LED: green light (function to be defined), used in smart plug
demo relay control indicator light
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