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  1. Latest Projects topics - Arduino Forum

    2 days ago · Making embedded systems accessible to all General Guidance Discussion about a project as a whole, both hardware and code Networking, Protocols, and Devices I2C, SPI ...

  2. 5V pin current limits - UNO R4 Minima - Arduino Forum

    Sep 27, 2023 · Hello! I have googled, searched the Arduino documentation and this forum, but no luck yet. What is the maximum current that one can draw from the 5V pin? If powered via USB, how much …

  3. Schaltbild für Spannungsregler per UNO? - Arduino Forum

    Mar 3, 2025 · Was ein Atduino-Anfänger versteht und nachbauen kann. jimmy_75 March 4, 2025, 6:50am 7 uwefed: Er kann auch keine niedriegeren analoge Spannungen liefern. Wenn Du eine …

  4. Atduino to Arduino single wire communication

    Aug 21, 2011 · Hi, although I believe the answer will be: "you need at least two, the second one is for ground", I will ask anyway. Is there a way to get two Arduinos to communicate having just a single …

  5. Latest Deutsch topics - Arduino Forum

    Feb 16, 2026 · Making embedded systems accessible to all

  6. Support for ESP32-S3 in IDE 2.0.3? - IDE 1.x - Arduino Forum

    Jan 13, 2023 · Hi @sveinesp32. Arduino IDE 2.x does not come with built-in support for the ESP32-S3 microcontroller specifically, but you can use the Arduino IDE Boards Manager to easily install the …

  7. clear interrupt flag - how is it done? - Arduino Forum

    Sep 10, 2009 · as i understand it, an interrupt flag is something stored in memory that says an interrupt has been triggered. how do i clear (reset?) the flag? potentially unnecessary info: right now i have it …

  8. Arduino Mega, USB Host Shield und externes Netzteil - Kurioses Problem

    Oct 3, 2022 · Hallo zusammen, mit meinem ersten Beitrag hier muss ich mit einem kuriosen Problem eure Hilfe ersuchen. Zur Vorgeschichte: Die letzten zwei Jahre habe ich mich, nach langer …

  9. char array: how to extract data - Programming - Arduino Forum

    Jan 20, 2019 · A char array (32 bytes) contains the following comma-separated data as an example: f9,43.65,27.25,11.0 0,33,37,C. The first two characters are hex data. Hence the array contains a hex …

  10. Smart Battery with Nodemcu-32s - Arduino Forum

    Jan 9, 2024 · As for the atduino forum that you sent me, I checked them all almost including the one that you sent me and still I had no result, the battery is not even detected on the bus when I make the I2C …