It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

A Single In-line Memory Module (SIMM) is a type of memory module containing Random Access Memory (RAM) which was used in computers from the early 1980s to the late 1990s (think 386, 486, Macintoshs, ...

CircuitMess NASA Artemis Watch 2.0 is a programmable, NASA-themed smartwatch based on an ESP32-S3 WiFi and Bluetooth module ...

An LM555 timer paired with an NTC thermistor makes a simple, configurable ON/OFF thermostat for heating or cooling.

Many kitchen appliances can consume a lot of counter space, so it’s important to choose wisely when deciding what to buy, especially when it comes to tools that make meal prepping more efficient. The ...

Danny’s days consist of running hands-on tests. He once found the best lemon squeezer by wringing out more than 80 lemons and measuring the average juice. In this article The filter coffee machines we ...

Editor’s Note April 3, 2026: Our best overall selection, the Frigidaire Gallery U-Shape Air Conditioner, is currently out of stock across several retailers. Availability is subject to change, but we ...

Electric fan heaters are typically light, portable, easy to set up and handy for fast heating. We've tested electric fan heaters from Argos, DeLonghi, Dimplex, Dyson, Russell Hobbs and more. We ...

This project is an interactive ambient lamp built with an Arduino Uno and an addressable LED strip. The goal was to combine simple electronics with a physical object to create a lighting piece that ...