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2 votes
1 answer
4k views

I cannot install the esp_camera library. When I try to add the .zip, I get "does not contain a valid library. Everything about this ESP-32 Cam seems to rely on that library, and I can't find a ...
0 votes
1 answer
65 views

I am using the Arduino IDE to do ESP-NOW communication with an ESP8266. In espnow.h, on line 53 I find the function prototype: int esp_now_send(u8 *da, u8 *data, int len); Why does it take the mac ...
0 votes
1 answer
513 views

I’m exploring ultra–low-power sensing designs where the Arduino should remain in deep sleep until a specific analog voltage threshold is reached — for example, when a sensor output rises above 1.2 V. ...
0 votes
1 answer
80 views

I am trying to debug using Arduino IDE through STM32Duino for my STM32 Nucleo-144 F767ZI. The code is uploaded successfully, but upon pressing debug, I get this error. Waiting for gdb server to start....
3 votes
1 answer
294 views

I would like to save data that I am receiving from API calls in a char array. The problem is that the data is around 80 kB, and my Arduino IoT 33 only has 32 kB of memory. It will save data in a char ...
4 votes
1 answer
299 views

For an Arduino LED animation project I have been working on an editor tool using HTML and javascript. After setting up various things, the tool enables generating C++ code to paste into an Arduino ...
2 votes
1 answer
227 views

I am trying to make a digital die for my project at school. I am having trouble with the programming. I don't really know how to write code and I am not a programmer. I took inspiration from a post on ...
1 vote
3 answers
2k views

I am working with two Lora ra-02 sx1278 modules and two Arduino Uno. Programming on Arduino IDE 2.1.1 sender receiver The problem is the receiver receives a few packets successfully, but then the ...
5 votes
3 answers
4k views

I have been working on an arduino program, which has gotten rather large. I am close to hitting the 32k limit on Flash for my ATmega328p. I would like lower my program size by saving some of my many ...
0 votes
2 answers
138 views

What are the practical differences between using delay() versus a while loop with millis() for timing in Arduino projects? I assumed both methods are blocking, but I'm not completely sure. Example ...
0 votes
1 answer
88 views

I'm trying to make an Arduino Leonardo work with a PS4 following a similar approach as ArduinoXInput with its modified AVR core. However, even though I managed to add the device and configuration ...
0 votes
1 answer
428 views

Pretty much as the question states, I'm wondering if it's possible to connect (this: https://www.waveshare.com/7.5inch-HD-e-Paper-HAT.htm ) 7.5" e-paper display that has raspberry pi HAT and an ...
1 vote
2 answers
265 views

I am working on a project using 5 pins of ADC, 5 pins for PWM, and LCD. I need to use Atmega164pa. I would like to know how I can transfer it to Arduino. Is there any Arduino compatible with this chip?...
2 votes
1 answer
95 views

I am tracking my Arduino project in git, and using git submodules seems an appropriate way to track the libraries used in the project attached to the git repo of the main project. However, the default ...
2 votes
1 answer
1k views

This question has been asked before and I have carefully read the other questions, but the solutions have not worked in my case, and the details are not the same as mine. Description The Arduino Uno ...

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