[Photo: Joe Desbonnet] Have you ever wanted to find an inexpensive way of communicating with your Android phone wirelessly, but without relying on the likes of Bluetooth or Google ADK? If you also ...

Currently the arduino sketch broadcasts its IP address every 10s on UDP port 8981. Eventually it will use SSDP (which is supported by the Hubitat driver framework). The default MAC address should give ...

We all like cheap items off eBay especially if they do cool and unusual things, sometimes we get so carried away by the price that we do not even realize that fact that we do not know anything about ...

Years ago, I built a robot chassis consisting of hardboard, two motors, two wheels, plus a third pivoting trailing wheel to keep the thing upright. The motors were hinged in such a way that their ...

The Maker Go RA4M1-R4 core board is another Arduino UNO R4 Minima clone but offered at a price point much lower than the original and the Waveshare R7FA4 Plus A (another clone) since it shows up for ...

Parking sensors have become a must-have these days given the crowded cities we live in, but instead of paying hundreds of dollars to get them installed in your car, why not build your own at home?

So we're looking at the 32MHz Nano-sized drop-in replacement but I'm using a different sized development board just for ease of use in the video. My device looks like this (and well worth it for ...

It’s no secret that Ethernet shields for the Arduino are a little expensive. With the official Ethernet shield selling for about $50 and other options not much cheaper, there’s a lot of room for ...

Mass production is a wonderful thing. Prices fall, and hobby hackers get cheap gear. The mind then wanders towards what can be done with it. So it’s little wonder that someone like [Aaron Christophel] ...