At the Ente Keralam Expo 2025 in Kerala’s Alappuzha, a young electronics and communication engineering graduate from Kerala showcased a voice-powered device he invented, one that writes what you speak ...

You might think that CD players and DVD players have had their run, but as it turns out, they are absolute goldmines for DIY projects. Pop one open and you'll find stepper motors, laser assemblies, ...

The Arduino-controlled Drawing Robot is a low-cost pen plotter that can be used to make small drawings on a piece of paper. It is based on an Arduino Nano board with a Bluetooth extension module, ...

Although the widespread use of 3D printers has made things like linear bearings and leadscrews more common, you still can’t run down to your local big-box hardware store and get them. However, you can ...

A military judge said he would move forward with accepting guilty pleas from three defendants in exchange for life sentences. The agreements had been rescinded by the defense secretary. By Carol ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...

Abstract: This paper shows how to design and building low cost Arduino plotter machine based on the open source hardware and software. The Arduino plotter machine has been dependent on the principle ...

Abstract: This study was carried out within the scope of an undergraduate thesis. To produce an Arduino based two dimensional plotter mechanical parts were collected, assembled and targeted mechanism ...

If one process has a serial port open, another can not access it. Arduino IDE is designed to automatically manage access to ports by the various operations and components that use them: Uploading ...

We see a lot of simple pen plotter projects around here, and while we appreciate them one and all, most of them are a little on the slow side. That’s OK — a glacial pace is sometimes all that’s needed ...

This post is in response to a reader who asked about detecting mains electricity using a microcontroller. The easiest and safest way to detect mains electricity using a microcontroller is with an ...