Counter circuit diagram of the digital circuit

Digital counter circuit as shown is composed of infrared signal for detection of moving target scan count small device, it is suitable for the production line, to move items on
Counter circuit diagram of the digital circuit - schematic

the conveyor belt for quick and accurate count. It can also be used for other purposes, such as passengers or the exit of the pit mouth was counting. The characteristics of the circuit is a simple structure, easy, economical and practical. But the most prominent advantage is that it can often different shading anything can intuitively and accurately counted. For example, from one side to see the cars have both front and rear wheels to be scanned, which requires the scanning signal is divided by two and then count, in order to obtain correct results. The device consists of an infrared transmitter and receiver of two parts.Infrared transmitter circuit:

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