Circuit Digest

Using Over 130 3D-Printed Parts, This Six-Digit Calculator Lets Gears and a Hand Crank Handle the Logic

A maker has built a calculator out of some 3D-Printed parts that can perform up to six-digit addition, subtraction, ...
Circuit Digest

ESP32-S3 Runs a 1998 PlayStation Game With Game Files Loaded From a MicroSD Card on Demand

David Montero Crespo, creator of Velxio.dev has managed to run the classic 1998 PlayStation game Metal Gear Solid on the tiny ...
Circuit Digest

ESP32-S3-Based Compass Uses a 3-Axis Magnetometer for Real-Time heading and Direction Readouts

LazyDays Creation built a compact, portable digital compass based on an ESP32-S3 Super Mini and a three-axis magnetometer. He ...
Circuit Digest

This STM32 Turns 3,000 Mechanical Pixels Into a Real-Time Fluid Simulator With Joystick-Controlled Gravity

Maker Mitxela (Mitchell Bunn) has turned nearly 3,000 old electromechanical flip dots into an unusual real-time fluid ...
Circuit Digest

Ball-Balancing Robot Uses a Mirror to Stay Compact; Pi Handles Vision, Leaves Motor Step Timing to 3 RP2040 Chips

MirrorBallBot, an open-source ball-balancing robot from a maker using the GitHub handle AndreaFavero71, looks at its platform through a mirror rather than from above. The camera sits to the side and ...
Circuit Digest

How to Build a Smart Wireless Doorbell System Using IoT

A step-by-step CircuitDigest Cloud guide for this IoT-based smart doorbell is listed below. Step 1⇒ Sign Up / Log In Sign up ...