Data Sheet

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ROBOT.HEADtoTOE
ProductUser’sManual–ESPWiFiShieldRev2.0
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FLASHmodeofESPWROOM02module.
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InstallATFirmware
● Windows(forWindowsuseronly)
1. Download latest ESPWIFI_Shield_Firmware from link provided at product       
page.Extractit.Enterthefolder,gotoinstall_firmware>windows.
2. OpenESP_DOWNLOAD_TOOL_V2.4.exe.
3. ChoosetheCOMportArduinoUno+ESPWiFishieldconnectingto.
4. Make sure ESPWROOM02 module is in FLASH mode (step 4 and 6 in            
HardwareConfiguration)
5. ClickSTARTtoinstallthefirmware.
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● Linux(forLinuxuseronly)
1. Download latest ESPWIFI_Shield_Firmware from link provided at product       
page.Extractit.Enterthefolder,gotoinstall_firmware>linux.
2. Make sure ESPWROOM02 module is in FLASH mode (step 4 and 6 in            
HardwareConfiguration)
3. Openterminalhereandrunfollowinglinetostartfirmwareinstallation.
$./flash.sh<theportArduinoUno+ESPWiFishieldconnectingto>
E.g$./flash.sh/dev/ttyACM0
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ATTestandsomeminorconfiguration
1. Open Arduino Serial Monitor. Make sure the serial port is same as the port Arduino              
Uno+ESPWiFishieldconnectingto.
2. OpenandsetupArduinoSerialMonitorwithsettingsbelow.
● 115200Baud
● BothNL&CR
3. SwitchtheslideswitchtoRUNmode.
4. Press ESP reset button. If there is a word “ready” shown in monitor, the firmware              
installationissuccessfulandthefirmwareisworkingproperly.
5. EnterthecommandAT+UART=9600,8,1,0,0
6. Afterthemonitorshows“OK”inreturn,changeto9600Baud.
7. Test the module with several commands like AT and AT+GMR. If there are replies             
fromthesecommands,UARTsetupissuccessful.
8. The shield is now ready for WiFi library implementation. Remember to switch TX            
andRXjumperstoD2andD3orotherpairsaccordingtoyourarduinosketch.
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CreatedbyCytronTechnologiesSdn.Bhd.–AllRightReserved 15
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