DFPlayer Mini with ESP8266 NodeMCU requires reset each time
Objective: To continuously play a 5-second MP3 file with a 10-second gap between each play. Issue Description: When connecting the NodeMCU to an external power source, the sound does not play until...
View ArticleSIM800L V2 dropping connection
I'm trying to get the hang of using the SIM800L V2 and it is taunting me a bit I feel The current setup: Arduino Nano SD card reader SIM800L All connected and powered by a 5V 2A external power supply....
View ArticleCreate Agent 1.4.0 Not Working on Mac
System: MacBook Pro, iOS Sonoma - 14.4.1; working with Nano R3, from Arduino: Create Agent 1.4.0., with Cloud Editor not uploading (USB) or allowing serial monitor. I have used the option to use the...
View ArticleLoRa - Sensor Data
Hello everyone. I'm going to create a Lora network. My task is to read 10 sets of sensors (3 sensors per set, communicating via I2C). I want each measurement system to be managed by Arduino MKR WAN...
View ArticleHelp Creating Randomness
Hello, I am a beginner using the Arduino software and have an Arduino Nano. Just wondering if there was a way to make it so that a random LED will turn on for a second, for example: after 1 second...
View ArticleIDE hangs on startup: "openpgp: signature expired"
2024-03-29 16:22:44 Arduino IDE 2.3.2 2024-03-29 16:22:44 Checking for frontend application configuration customizations. Module path: C:\Program Files\Arduino...
View ArticleSerial communication between 2+ arduinos
Hi, I'm currently making a project which involves an Arduino NANO as a remote, and variable number of Arduino megas. I would like to use the built in serial communication (I will not be printing to...
View ArticleRFID project scan tag or card with LED light without continuously scan
I have a question about the RFID MFRC522 project with two LED lights. If I scan with the RFID tag or card and I continuously hold my bag over the laser, it keeps scanning and you see the green and red...
View ArticleSending location using sim800l, GY-NEO6MV2 GPS and Arduino MEGA
Hello, I'm working on a project where i want to know the location of the device. I implemented this logic where when i put the digital pin 30 to GND it would call the function for GPS. I tried this...
View ArticleESP32 event 'program terminating'
I recognize that this is an 'extreme' question, but let me try anyway. I'm using a board with an ESP32 Wroom and a Nextion TFT display. Currently the board is powered by the USB connector for the...
View ArticleGetting MAX30100 sensor values 0 in the local database
When I written code for post data into the database that time I am getting sensor reading properly on serial monitor but in the database sensor values become 0. Esp32 code is below* #include...
View ArticleProblem uploading to Arduino Nano V3K9-2-90
Arduino: 1.8.19 (Windows 10), Board: "Arduino Nano, ATmega328P" has a problem uploading the simple blink program with different delays, I always get the error message saying : as in the picture 1 post...
View ArticleArduino EVERY Ham Radio Control Assistant - revised design
Back in Jan 2022 I posted details of a project which had more or less finished (Ham Radio : ICOM CI-V Smart Controller built around Nano EVERY ). Little did I know what lay ahead. Long story short, I...
View ArticleMagnetometer & Gyro drift on MinIMU & LSM6DS33
Hello Everyone, First of all, I must say that prior to this month, I never really worked with Sensors, Maths, Electronics, Arduino & C/C++ altough I'm pretty tech Savvy & used to programming....
View ArticleUART 1-way communication
I'm making a project, and it's limited to only 1 wire to connect 2 Arduinos to carry a 4-bit sequence in 1-way only. Can I use UART as 1-way communication to transmit data from Arduino 1 to Arduino 2...
View ArticleSend hex values to Arduino IDE terminal
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View ArticleNeed help with my Code - Webserver AP and Station Mode
Code and Schematics Hey, i really need help with my code. It is quite a long code i would be happy if anyone could take a look over it. This code is for my Automated window Control. Where you can Open...
View Article2.3.2 IDE does not show a port for an ESP32 Dev Module
I've been using the Arduino IDE 2.3.2 on my Windows 11 Pro to program a ESP32 Dev Module with no issues. However, I just got a new laptop with Windows 11 home addition and installed Arduino IDE 2.3.2...
View ArticleNRF24 Modules Not Working
I needed to get wireless communication for a project, so I tried to use the NRF24L01 and NRF24L01+PA+LNA modules. I connected them according to the schematic in this project hub article:...
View ArticleProblem for run new code on esp32 based board
#ifdef ESP8266 #include <ESP8266WiFi.h> #include <ESP8266mDNS.h> #elif defined(ESP32) #include <WiFi.h> #include <ESPmDNS.h> #else #error "Board not found" #endif #define LED1...
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