microcontroller

ESP32 S3 Pocket PC Running Tactility OS Maker Turns an ESP32 S3 Into a Pocket PC by Porting Open Source Tactility OS to a 2.4 Inch Touch Display

This project transforms a compact MaTouch Lite development board into a fully functional, portable touchscreen computer. The project uses an ESP32…

ESP32 Video Player ESP32 Video Player Tutorial: SD Card to TFT Display

Playing smooth, full-motion video on low-power microcontrollers has been challenging due to memory and processing limitations. But with the dual-…

MAX32655FTHR Evaluation Board Getting Started with the MAX32655 Feather Development Board

Bluetooth Low Energy (BLE) has become one of the most widely adopted wireless technologies for battery-powered devices…

Tiny Satellite Barely 21 Grams, This Satellite Prototype Tracks the Environment & Motion With ESP32-C3 & Tiny Sensors

A tiny satellite prototype weighing just 21 grams is showing how far small-scale electronics can be pushed when size…

Compact STM32 GPS Device Displaying Planets Above This STM32 GPS Device Shows Which Planets Are Above You Offline, Fitting 5 Years of Orbits in 64KB

What if a tiny electronic device could look at the sky without a camera or telescope and tell you which planets are currently above the horizon?…

ESP32 Noise Pollution Monitoring System How to Build a Smart ESP32 Noise Pollution Monitoring System with IoT

Urban areas are now affected by acoustic disturbances; major Indian cities such as Mumbai, Kolkata, and Delhi rank…

5 Hidden Features of the Arduino UNO R3 5 Hidden Features of the Arduino UNO R3 You Probably Didn’t Know

The Arduino UNO R3 is often the first board people use to learn electronics and programming. Connect an LED, read a sensor, control a motor,…

Cat Wearing Smart Collar Monitoring Health Behaviors Cat Collar Fits Two AI Models' Runtime Memory Into 48KB of Its 256KB RAM by Never Running Them Together

An open source project called Meowtion packs two on device AI models onto a single microcontroller with only 256KB of RAM, using a scheduling…

ESP32-S3 Runs 28.9M-Parameter LLM On-Device ESP32-S3 Runs a 28.9-Million-Parameter LLM, Borrowing a Memory Trick From Google's Gemma

Developer slvDev has published an open-source project that runs a 28.9-million-parameter language model directly on an ESP32-S3, a microcontroller…

IoT Indoor Weather Station System How to Build an IoT Indoor Weather Station Using CircuitDigest Cloud

"Is it going to rain, or should I leave the windows open?" we would have asked ourselves numerous times. Now the…