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Device control using dual-tone multi-frequency (DTMF) signals
Source: InternetPublisher:Ihk2ID Keywords: Switch control infrared remote control Updated: 2026/03/06
Device control using DTMF
Using switches to control devices is common. Over the decades, the use of remote-controlled switches, such as infrared, wireless, and light-based switches, has become increasingly popular. However, these technologies all have their limitations. Laser beams are harmful to humans.
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