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 ...

[Peter]’s folks’ cable company is terrible – such a surprise for a cable TV provider – and the digital part of their cable subscription will only work with the company’s cable boxes. The cable company ...

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 ...

This infrared transmitter can be used with this infrared receiver. This transmitter uses. The modulated signal is produced by comparison of an audio signal with a triangle signal of high frequency ...

This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are used to measure rotation rate in Revolutions Per Minute ...

The vastly improved Siri Remote that ships with the fourth-generation Apple TV includes dedicated volume buttons, which can be programmed to control volume levels on TVs and receivers, even via legacy ...

According to the patent, the chief benefit of incorporating IR tech into its earbuds is to extend battery life by deactivating the earbud if it’s not actually placed in a user’s ear. Forgetting to ...

The Australian company Organic Response controls large lighting installations using liminair-to-luminaire communicate between immediate neighbours. Communication is based on modulated infra-red light ...