This nifty little gadget can help solve one of the most annoying TV remote problems, and it even lets you hide boxes behind ...

Using this circuit, audio musical notes can be generated and heard up to a distance of 10 metres. The circuit can be divided into two parts: IR music transmitter and receiver. The IR music transmitter ...

If your up for starting a quick little project, Hardware Secrets can show you how to build your own IR transmitter for the PC. As the article clip states, if you can use a solder iron, you can build ...

The best-known ways to transmit a digital audio signal (S/PDIF) are to use a standard 75Ω coaxial cable or Toslink optical modules with matching optical cable. Naturally, it can happen that for ...

[Saulius] couldn’t find a cost-effective wireless scale that did what he wanted, so he reverse engineered the communication protocol for an off the shelf model to get weight data himself. [Saulius] ...