[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 ...

The included source code allows to send temperature and humidity data from a DHT22 on one Arudino to another Arduino that will display the result by serial connection. The transmitter and receiver are ...

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 ...

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 ...

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?

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] ...

AITRIP Sets ESP-WROOM-32 ESP32 ESP-32S Type-C USB Development Board Type-C USB CH340C WiFi Bluetooth Ultra-Low Power Dual Core ESP32-DevKitC-32 ESP-WROOM-32 Expansion Board for Arduino Seeed studio ...

Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3 Electronics-Salon Arduino Screw Terminal Block Breakout Module, for Arduino UNO Screw Terminal Block Breakout Shield Module for ...