DIY-Arduino-based-digital-Tachometer-or-RPM-counter Let see how to make Arduino based digital Tachometer. Working principle :- IR Sensor get penetrate by motion of motor shaft, signal are transfer ...

Tachometer is a RPM counter which counts the no. of rotations per minute. There are two types of tachometer - one is mechanical and the other one is digital. Here we are going to design an Arduino ...

An impressive persistence of vision laser projector built using an Arduino and a hard drive case has been demonstrated by a DIY enthusiast.

# Laser Activation with IR This Arduino project demonstrates how to control a laser module using an Infrared (IR) transmitter and receiver along with a push button. When the button is pressed, the IR ...

The YouTube channel DIY Builder has published and created a DIY Arduino laser engraver which is powered by an Arduino Nano development board and is fitted with a 200-250mW 650nm Laser Module ...

Makers, Arduino and electronics enthusiasts that have wanted to create a laser sky effect generator, may be interested in this new DIY tutorial which ...

This article presents the implementation of a wireless visitors counter. When a visitor enters, he/she momentarily blocks the IR wave.

There are approximately a zillion DIY laser engraver tutorials on the Web, but of all the homemade builds we've come across, this one from Instructables user MichielD99 is definitely one of the best.

His Arduino-based mod is amongst the most flexible out there for DSLRs, enabling it to morph from a basic laser trigger hack to something that senses heat, movement or sound (just to name a few ...

No joke: a modder created a replica turret from Valve’s Portal game, complete with a working laser sight. Look out!

This cute little laser is powered by servos, a pan/tilt camera mount, and an Arduino enclosed inside an Altoids tin—Wintergreen flavor, I believe.