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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...
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SIM800L 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...
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Serial 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...
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Getting 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...
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Problem 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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Need 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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