LoRa Problem Slow code or Error Code
Hi everyone. I created some code on an ESP32 to acquire info from multiple sensors, and save it to an SD, and I also wanted to send it via LoRa radio. the original code I created worked very well both...
View ArticleCan read, but fail to set time on DS3231 RTC
I'm trying to use a DS3231 on my sprinkler controller, for the simple reason that power failures here are so common that it's too much trouble to reset. That, and it will consequentially toss me...
View ArticleHow do you pass a string into a function?
I need to pass a string variable into a function that changes it and sets a flag high so that it enters an if statement the next time through the loop that updates an HMI. The applicable portion of...
View ArticleIm looking for a Help
Hi, I'm looking for some help, I'm using EEPROM (internal atmega328p), my code is: void loop() { int analogin= analogRead(A0); if(analogin<20){ EEPROM.write(dev1addr,dev1st);...
View ArticleMaking a smart remote
For a school project of mine, I'm supposed to be able to control a teacher's ceiling fan that is controlled by an IR remote and connect it to Google Home. My plan was to first make a working IR...
View ArticleLoRa Latency Test
Hello, probably might a dumb question but is there a way to test the latency of LoRa by programming into it? I am using an esp32 microcontroller, and a LoRa Ra02 module. So basically just a simple...
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Nodemcu v3.0 esp8266 and keypad 3x4 and lcd
Hi, I want to connect my LCD(sbc-lcd16x2 joy it) and keypad( Whadda WPI300 3x4) together. I found a way to do throught the LCD I2C backpack...
View ArticleOù sont les librairies ?
Bonjour Je suis débutant sur Arduino, je viens d'acquérir un R4 wifi, avec matrice de leds 12 x 8. j'ai fait quelques petits programmes pour le tester, ça marche. Problème : je ne trouve pas la...
View ArticleHelp with PID controller on dual-axis "solar" tracker
Hello, I'm working on a dual-axis "solar" tracker for my university. My issue is primarily with tuning the PID that controls output to the two servos. When incrementing the proportional gain, my...
View ArticleHow to use arduino nano with NRF24 ?
hello there, I can not use arduino nano with NRF24 although it works very well with arduino mega and dosent work with nano 1 post - 1 participant Read full topic
View ArticleIDE won't upload programs to nano on Windows 11
Hey A few weeks ago I decided to pick up an arduino for my new project, yesterday I found out that it's a fake. Since I can't return it anymore I decided to connect it to my pc and see how it does but...
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Getting the ST Link v3 MINIE to work
I am having a difficult time getting debug working on my Arduino Giga R1. This is my sketch using MBED OS in Arduino IDE: #include "mbed.h" #include "USBSerial.h" using namespace mbed; using namespace...
View ArticleUno R4 WiFi PCB and Schematic for Circuit Maker
I've found the PCB and Schematic files for the Uno R4 WiFi, but they are in Altium format. I'm a hobbyist, and certainly can't afford the $2700 "50% off sale" price of an Altium license, but I have...
View ArticleMcufriend tft not working
/* vim: set syntax=c expandtab sw=2 softtabstop=2 autoindent smartindent smarttab : / / Arbritrary wheel pattern generator copyright 2014 David J. Andruczyk Ardu-Stim software is free software: you...
View ArticleMcufriend tft not working
/* vim: set syntax=c expandtab sw=2 softtabstop=2 autoindent smartindent smarttab : / / Arbritrary wheel pattern generator copyright 2014 David J. Andruczyk Ardu-Stim software is free software: you...
View ArticleAdxl362 0 output
Hello, I am working with adxl362 sensor, connected to Arduino Nano Board. This is my code: /* ADXL362_MotionActivatedSleep.ino for Analog Devices ADXL362 - Micropower 3-axis accelerometer go to...
View ArticleIs my DHT11 broken?
For context: I have used the DHT11 last month and it was working very fine. I stopped using it for almost 2 weeks and just today, when I tried to use it again with the same code that I used, it only...
View ArticleDebugging SPI Code
I'm relatively new to arduino, but am working with a microSD card and an accelerometer. When I test my sensors individually, they work fine, but when I combine them, the code seems to stop detecting...
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Is PC Cleaning software interfering with IDE 2.3.2?
I was working in Arduino IDE 2.3.2 last night and got tired so I left the IDE Open with my sketch. When I got back to the IDE today I noticed the sketch tab is gone. Image Below. Windows 10 Pro...
View ArticleNeed recommendation building a current limiting polarity reversal device
Hello world! I would like some recommendation on what IC to use for building a device (electrolysis machine) that can limit the current to less than 20 mA and be able to reverse polarity for a voltage...
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