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Linux-based Operating System running a Dalvik Virtual Machine produced by Google, typically seen in portable devices such as cellphones, e-book readers, tablets, etc. Not to be confused with Androids …

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dev krishnan
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dev krishnan
Asked: July 26, 2022In:
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Can a .bin compiled/uploaded to an ESP32 from an android? I like to connect my android tablet to an ESP32 via a USB cable (type C on the android side, and USB micro on ESP32 side,) compile a program and upload ...Read more

Can a .bin compiled/uploaded to an ESP32 from an android?

I like to connect my android tablet to an ESP32 via a USB cable (type C on the android side, and USB micro on ESP32 side,) compile a program and upload the result to the ESP32.

I have a separate power supply to the ESP32 using the Vin pin, so power from the android is not needed.

I understand and have used OTA from a laptop, I guess OTA from android might work too (any insight here would be nice, thanks,) but if I hose the code, OTA won’t work and USB will be needed to recover.

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androidesp32otaUSB Cablevin pin
  1. pallavi sharma

    The ESP-IDF codebase plus toolchain are available in ARM Linux flavour, so you could possibly try installing them in a chroot on the tablet. You can install Arduino as an ESP-IDF subcomponent as well if you want to use that API.

    The ESP-IDF codebase plus toolchain are available in ARM Linux flavour, so you could possibly try installing them in a chroot on the tablet.

    You can install Arduino as an ESP-IDF subcomponent as well if you want to use that API.

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techfreak
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techfreak
Asked: June 24, 2022In:
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We are facing an issue while connecting the ESP32 device with the Android mobile using ESP32 Wifi. We have tried to connect the mobile device and ESP32 manually by using ESP32’s SSID and password. It seems to be, when the ...Read more

We are facing an issue while connecting the ESP32 device with the Android mobile using ESP32 Wifi. We have tried to connect the mobile device and ESP32 manually by using ESP32’s SSID and password. It seems to be, when the ESP32 signal strength is good/excellent then the android mobile get connects to the ESP32.
And when the ESP32 signal strength is poor then the android mobile not connects to the ESP32. We have tested the issue on various android device version (6.0, 6.0.1,7.0, 8.0, 8.1 etc.) But, it sometimes works or sometimes may not work due to the poor ESP32 signals.

Can anyone please let us know the behavior of the ESP32 is correct?

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androidesp32espressifwifi
  1. pallavi sharma

    Are you setting ESP32 in AP mode, and the trying to connect your smart phone with the ESP32 SoftAP ? 2 meters shouldn't get the signal poor like that. Can you read the RSSI from the phones ? Which hardware are you using? Could it be that the antenna is missing ?

    Are you setting ESP32 in AP mode, and the trying to connect your smart phone with the ESP32 SoftAP ?
    2 meters shouldn’t get the signal poor like that.
    Can you read the RSSI from the phones ?
    Which hardware are you using?
    Could it be that the antenna is missing ?

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