Troubleshooting ADC Readings from Photodiode on Arduino

Hi everyone, I am trying to rebuild a device and have wired everything according to the schematic: You can see that the output pin of the photodiode (pin 5) is […]

Incorrect Battery Percentage Reading on MKR 1010 with 3.7V Lithium Battery

Hi I am using the following code to monitor a 3.7V 800MAH lithium battery to power my MKR 1010, and I have all the required library. However, this code always […]

Check Out My New Mini MIDI Controller Prototype – Any Tips on Design or Control Ideas?

My latest WIP, the “World’s Second Smallest MIDI Controller” (I think). It’s a bit bigger than the first iteration https://www.youtube.com/watch?v=5Ws_JfCw5NY in order to accommodate a potentiometer and larger buttons, as […]

UnboundLocalError in Obstacle Detection with Ultrasonic Sensor Using MicroPython

Am working on a smart car automation system using MicroPython, the system include various functionalities such as `obstacle detection`, `line following`, `speed control`, and `environmental monitoring`. am trying to detect […]

Fingerprint Sensor Enrollment Failing at Image Conversion Step

hey guys, I’ve successfully initialized the fingerprint sensor using UART, but when I attempt to enroll a new fingerprint, the enrollment process fails after step 2 (converting image to template). […]

README: PCB & Analog Forum

Forums are designed to help DevHeads community members come to quick resolution on a variety of systems integration topics. These differ from the #seeking-collabs (*find a professional dev who can […]

The Arduino Puzzle Box Challenge

Objective: Design and construct an interactive puzzle box that incorporates various sensors and output devices, controlled by an Arduino. The puzzle box should require the user to complete a series […]

What’s wrong with my code?

Hello everyone, I was just wondering why this piece of code is not working. The code get uploaded normally to arduino But when I move the gyroscope it just give […]

Why isn’t my Arduino Nano 33 BLE Sense transmitting pulse and SpO2 data via BLE?

Hello, I am working on a health monitoring system using an `Arduino Nano 33 BLE` Sense and a Pulse Oximeter (`MAX30102`) sensor. The objective is to measure and transmit pulse […]