Data Sheet

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ROBOT.HEADtoTOE
ProductUser’sManual–ESPWiFiShieldRev2.0
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5.0UART/SERIALCOMMUNICATION
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AT firmware of the ESP8266 WiFi module on ESPWiFi shield allows users to communicate             
withthemoduleusingUARTcommunication.
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Defaultsettingsare9600kbpsbaudrate,8bitdata,1stopbitandnoparity.
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5.1GuidelineforsettingupTXandRXpinwithArduinoBoards
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ThefollowingtableshowssuitableRXandTXpinstobechosenforcompatibleArduino
boards.
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UART
ArduinoBoards
RX
TX
USB*
USB*
ArduinoUno/ArduinoMega/ArduinoLeonardo
D0
D1
ArduinoUno/ArduinoMega/ArduinoLeonardo
D2
D3
ArduinoUnoonly
D8
D9
ArduinoUno/ArduinoLeonardo
D10
D11
ArduinoUno**/ArduinoMega/ArduinoLeonardo
D12
D13
ArduinoUno**/ArduinoMega
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*ThisoptionenablescommunicationbetweenESP8266moduleandPCusingsuitable
UARTsoftwaresuchasArduinoSerialMonitor,Hyperterminal,RealTermetc.
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**OnlyapplicableifnoSPIcommunicationisusedbecauseSPIpinoutsusesD10D13
inArduinoUno.MicroSDcardcannotbeusedaswellinthiscase.
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CreatedbyCytronTechnologiesSdn.Bhd.–AllRightReserved 8
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