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 ...

In the era of digital streaming, the market is full of wireless speakers that will play content from your smartphone or pull it down from the Internet directly over WiFi. But if you’re feeling a bit ...

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 ...

If you’re looking for “smart” home appliances, there’s no shortage of options on the market. Even relatively low-end gadgets are jumping on the Internet of Things bandwagon these days (for better or ...

Hi good day. Its not an issue. I just want to ask. I bought Lilygo t-embed cc1101 and i test the ir function but it only works on 1 to 2 meters away from the receiver. I plan to connect an ir module ...

A stick for the blind proposed here is an assistive device that helps visually impaired individuals navigate safely. It features an infrared (IR) sensor that detects obstacles and activates a buzzer ...

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