![]() If need to change the mode, can select the corresponding AT command from debugging tool. In the code, we have set the wifi working mode, name and password by AT command. Serial.println("AT+CIPSEND") // start passthrough mode Serial.println("AT+CIPMODE=1") // set to passthrough mode Serial.println("AT+CIPMUX=0") // set to single link mode Serial.println("AT+CWMODE=3") //mode:3 is transparent transmission STA+AP Serial communication between Arduino UNO and the shield. Open the serial debugging tool, set well as below, click to test AT, the board will return OK. And the firmware version is v0.9.5.2 AT Firmware. ![]() The shield is default by firmware supporting AT command. (click flash to enter program wait mode, keep the RST button pressed and then press the KEY button and release, wait for a moment, programming process bar starts to roll.) IIC: connecting arduino IIC communication(5V, GND, SDA, SCL) UART: connecting arduino serial communication(5V, GND, RX, TX)
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