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ROBOTDYN card. Mega + WiFi R3 ATmega2560 + ESP8266 (8 Mb mémoire)

serge28

bonjour,

je viens d'acquérir une carte de ce type, achetée sur internet " https://fr.aliexpress.com/item/Mega-WiFi-R3-ATmega2560-ESP8266-8Mb-memory-USB-TTL-CH340G-Compatible-for-Arduino-Mega-Nod… , " malheureusement c'est nouveau et il est impossible de trouver des exemples ou plus d'information concernant des exemples de sketch.

J'ai pu constater en faisant des test, que la partie ESP8266 fonctionne, de même que la carte Mega.

Mais je suis incapable de faire communiquer les deux ensembles, comme il semble que c'est prévu par le "Serial 3"

 

Pourriez vous m'aider ?

Merci par avance
Serge

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  • after reading more on net, i think i did something i souldn't, maybe u can tell me about right or not

    It seems, because i donwloaded some sketch already on the ESP, i erased the AT software and thats why it can't run and respond to any AT command sent by the Arduino image

    If i want it back i have to flashing it again on the ESP.

    Do you think thats correct ?

     

    Serge

Reply

  • after reading more on net, i think i did something i souldn't, maybe u can tell me about right or not

    It seems, because i donwloaded some sketch already on the ESP, i erased the AT software and thats why it can't run and respond to any AT command sent by the Arduino image

    If i want it back i have to flashing it again on the ESP.

    Do you think thats correct ?

     

    Serge

Children
  • in reply to serge28

    yes, if you flashed the esp with a wrong firmware, you will have to refresh it with a correct one.

    you can test your firmware, connecting the esp directly to usb (not for flashing) and try the "at" command from arduino ide.

  • in reply to bissa

    I finaly succed to obtain AT command, even i didn't flashed it " volontary" it seems something wrong was happen.

    I reinstalled  a bin file i found on net, then now it perfectly run again and i could screening information.

    My wish now, is to be able to find a way to exchange information between an android tablet and arduino. It seems more complicate than i thought to found an available application.

    i tryed "blynk" without succed and some other but there is always something wrong with

    If u already did some things ur side i will like have a look on


    Thank You
    Serge