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Multifunctional infrared counter
Source: InternetPublisher:3228 Updated: 2018/02/23
(a) The picture shows a multivibrator composed of an LM555 circuit as a driving pulse generator for an infrared transmitter. (b) The picture shows an infrared receiver, which consists of an infrared receiving tube (PH302) and a two-stage amplifier. (c) ) The picture is a counter. This circuit uses a finished four-digit universal counter. Latest Control Circuits Circuits
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