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Magnetic proximity sensor is discussed

2014-11-06 05:57  
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This article is a magnetic proximity sensor is discussed. By convention, in order to better grasp the principles you are, we recommend you to combine text read schematics. When the magnet is brought / placed in the vicinity of the sensor element for a while, a reed switch contact closure trigger timer IC1 connected in monostable mode. So its output pin 3 higher for a short time and supplies clock clock input (pin 3) IC2 (CD4013  dual d-type flip-flop). As a leader D2 response indicator. This consists of two separate CMOS IC2 sandals although only one is used here. Note that the trigger circuit connected to the switching mode with the data input (pin 5) connected to the Q (pin 2) output. After receiving clock pulses, Q output changes from low to high state, as this relay driver transistor T1 to get forward bias. Therefore, the relay RL1 is full of vitality.
If you are a first reading on this principle, we recommend that you carefully read several times in order to better fully grasp this simple but effective circuit.


Magnetic proximity sensors

Magnetic proximity sensors

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