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DTMF multi-channel encoding and decoding infrared remote control circuit
Source: InternetPublisher:张七岁 Updated: 2017/01/18
(a) The picture is an infrared transmitter circuit composed of S2559 and 12-bit keyboard. (b) The picture is a DTMF decoding circuit and channel control circuit composed of MT8870. (c) The picture is a voltage amplifier composed of a dual op amp circuit LM358 . Latest Control Circuits Circuits
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