when doing this example https://es.mathworks.com/help/supportpkg/arduino/ug/connect-esp8266-to-arduino-hardware.html do i need to upload a firmware to the ESP first?

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关闭： MATLAB Answer Bot 2021-8-20

i mean can i just buy one ESP and do it or do i need to programm it first? thank you

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when doing this example https://es​.mathworks​.com/help/​supportpkg​/arduino/u​g/connect-​esp8266-to​-arduino-h​ardware.ht​ml do i need to upload a firmware to the ESP first?