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How does a callback function get revoke itself eg. Connect function get revoked when there is new connection

All a callback function assignment does is link an internal pointer to the function that you provide. Any time the callback is needed to be called the code just uses the pointer that your function has ...
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nRF52832 BLE "conn_handle" to disconnect the current connected devices

Idk if its a right or not but it works. When there's is a new connection established, "connect" gets revoked, with "conn_handle" as its argument. If someone knows please tell how ...
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Unable to upload code to my digispark ATtiny 85 after upgrading bootloader

It seems the latest version (1.6.7) of the Digispark board support package is quite old, older than I'd have guessed. And so it does come with an old Micronucleus programming tool. The tool appears to ...
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Arduino IDE + ESP32 Webserver - how to redirect to root after click on button

First probably mention this is too much overhead for a webserver adding include <WebServer.h> you can handle those endpoints easily See https://lastminuteengineers.com/creating-esp32-web-server-...
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Standalone ATMega328 - do I need to burn the bootloader?

At the risk of having my answer closed as "link only" I want to tell you that I have a page describing how to make an Atmega328P into an Arduino-compatible board. There is far too much ...
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Standalone ATMega328 - do I need to burn the bootloader?

No, you do NOT need to burn the bootloader. But depending on your equipment and programing habits you may want to. The bootloader used by Arduino (which is known by the name 'optiboot') is used to ...
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Standalone ATMega328 - do I need to burn the bootloader?

you can not program the ATM383 in c/c++ without bootloader you can burn the bootloader using another arduino board using the icsp pins, or you can use a USB to TTL converter , the arduino IDE can do ...

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