Compile issues with UNO WIFI Rev2
After installing all boards/libraries etc with new RPi OS upgrade everything works really smooth. The arduino IDE 1.8.19 runs well... I can compile and upload for all my different boards except the...
View Article8x48 Leds scrolling text matrix
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View Article8X48 LEDS matrix display and code
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View ArticleWindows 10 Arduino Uno Driver Error
I just received an Arduino Uno starter kit, and my Windows desktop says that the drivers are unavailable when I check the devices menu, even though I definitely installed them. I've already unplugged...
View ArticleArduino resets when connecting usb
My Arduino WiFI Rev2 webserver hangs after 2 weeks time. When this happens I would like to connect a pc to the Arduino usb port to get diagnostic information on the IDE Serial Monitor. However when I...
View ArticleArduino sd card initialization failed
#include <Arduino_HTS221.h> #include <Arduino_LPS22HB.h> #include <Arduino_LSM9DS1.h> #include <Wire.h> #include <SD.h> #include <SPI.h> File dataFile; float...
View ArticleHelp with conditions
Hello, I'm trying to use some conditions based in an integer value (from a touch screen). Though I have the values changed at my serial monitor I cannot find the proper way ti implement them to my...
View ArticlePixel LED matrix using WS2812
Hai, Please help me to following code use For /while condition to make code easy. this is pixel led (8x6) matrix with simple animation with 8 frames. so i f need to use 1000 of frame this cording is...
View ArticleCurrent and voltage of TEMD5020X01 respons
hi there. As you know TEMD5020x01 is a photodiod and when the sensor goes under an IR exposure it will make a response but it is so important for me to know the amount of the response to find out is...
View ArticleEsp32 bluetooth + 3.5mm connections
Hey guys, software nerd here, have a project im thinking about. Way out of my league and know nothing about hardware but i know a hardware nerd so do see if we can acheive this. I have a multi fx...
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Sdfat library : preallocate error (solved)
Hello all I try to use sdfat library on nano every. I use exFAT and I am able to create a file and write data inside. My use is for logging some data and I need faster write. In sdfat logger example I...
View ArticleCompilation error: cannot convert 'unsigned char (*)[16]' to 'unsigned char*'
I can run the following code correctly in Code::Blocks and get the output. But when I try to verify it in Arduino, I face a problem. What is the difference between Arduino IDE and Code::Blocks in...
View ArticlePracticing Arduino Etiquette in programming?
Hello, I have a general question about the exactness with which one would stay within Arduino etiquette as it pertains to programming syntax. For example - digitalWrite(PulseOut_Pin, HIGH) ; This...
View ArticleRP2040 connect download
Is it possible to view or download the program on a rp2040 connect? For example the program the device comes with or some other unknown program on it? 1 post - 1 participant Read full topic
View ArticleHelp needed on: How to shift a binary value over a set of pins?
I'm trying to interface with an 8-bit parallel interface on a VFD display. I would like to create a function that takes in a character, converts the character to its binary ASCII value, and then...
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Lcd screen: no display available
Hello everyone. I am a beginner and I have just acquired a development card. I'm trying to get the lcd screen to work but I can't get anything to display on it. The squares are not displayed even...
View ArticleLooking for all-in-one Li-Ion 2s BMS, for Charging, Balancing and Protection
I want to power a small project with 4 little and cheap dc-motors (tt Gearmotor), a Microcontroller and some sensors. Maximal current draw is 2 A, most of the time 1A. For that I want to use two 18650...
View Article24 volt input to Arduino 2560 digital input pin,,,
Hi, I need to input 24 volt + signal into the Arduino 2560. I was thinking of using a 10k pot and cranking the center tap to 5 volt, and hooking it to the digital input. Would that work, or would it...
View ArticleArduino newbie from Canada
Just received an ELEGOO super starter kit for Xmas. At the moment I know nothing about electronics especially coding. Looking forward to learning, will order the arduino cookbook today to help my...
View ArticleBinary received incorrectly by the board. SHA 256 mismatch
Hi, I am getting the below error when uploading the sketch over the air, my board is AI thinker ESP 32. please let me know how to proceed. Error: Binary received incorrectly by the board. SHA 256...
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