LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

Few concepts in physics are as familiar, yet as enigmatic, as time. In Einstein's theory of relativity, time is not absolute: ...

Some projects take great care to tuck away wire hookups, but not [Roberto Alsina]’s Reloj V2 clock. This desktop clock makes a point of exposing all components and wiring as part of its aesthetic.

LILYGO's T-Watch Ultra is an ESP32-S3-based smartwatch development platform that appears to be an upgrade over the previous T ...

We've all heard that "if you want something done right, you have to do it yourself." And that’s usually fine when it comes to ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances such as mixers and grinders, can often be useful. However, ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

There are two types of clocks and they tell the time in different ways. Analogue clocks have a face with numbers from 1 to 12 and two hands. The hands move and point to the numbers to show what time ...

#define SCREEN_HEIGHT 64 // OLED display height, in pixels display.setCursor(0, 8); display.println(F("S1 (0;8) g")); display.setCursor(0,16); display.println(F("S1 ...

Densitron is a global provider of industrial displays, HMI and tactile interface technologies for mission-critical ...