Track Room Occupancy Without Cameras Using ESP32 Wi-Fi Drops

Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...
IEEE

Learning-based Motion-aware Dead Reckoning Using IMU and Wheel Encoders

Abstract: Dead Reckoning (DR) algorithms using IMU and wheel encoders can continuously provide positioning information in scenarios where GNSS signals are lost, providing strong autonomy and playing a ...
Hackaday

Gluing 8192 MCUs Together To Make A GPU

What do you get when you take 8,192 CH570 MCUs, put them on custom PCBs, and write firmware for this interconnected gaggle of ...
Hackaday

DIY SI5351 Radio Tunes In SW, MW, And More

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...
Top Gear

Mad Mike's building a rotary-powered F1 drift car using a 1986 March chassis

A gentleman named Michael Whiddett has revealed his intention to install a rotary-powered engine into a 1986 March F1 chassis in a bid to create the world’s first ever Formula One drift machine. Of ...
IEEE

A Precision Capacitive Rotary Encoder with Multi-Stage Offset Calibration

Abstract: This paper presents a precision capacitive rotary encoder that integrates a shared charge amplifier, and a multi-stage offset calibration scheme. Recently, capacitive encoders have gained ...