Diy Pyroelectric Infrared Sensor Kits Anti Theft Circuit Electronic Technology Training Sets
Description : Size : 82 x 44mm Texture of material : Two-sided 1.6mm FR-4 board Long life Low ESR Function : Pyroelectric infrared sensor security circuit consists of pyroelectric infrared sensor PIR, integrated operational amplifier LM358, voltage comparator LM393, 110 alarm circuit and boot delay circuit, etc.. The circuit can be used as home security. When the family leaves the room, the switch K1 is closed, the circuit starts to work. As long as someone enters the room after a period of time, it will sound alarm. 1. The circuit is energized, the pyroelectric infrared signal of infrared sensor PIR to detect the front radiation of human body, from the signal PIR 2 feet output weak, after amplification transistor VT1, through the C2 input to the op amp IC2A 3 foot high gain low noise amplifier, and then by IC2A the 1 foot output signal. 2. IC2B in the circuit as a voltage comparator, its 5 pin voltage reference is provided by R10, VD1, IC2A when the 1 foot output signal to the IC2B 6 Lees meer over de Diy Pyroelectric Infrared Sensor Kits Anti Theft Circuit Electronic Technology Training Sets van huismerk in de productgroep aanbieding
5,99
Merk | huismerk |
verzendkosten | 0.00 |
artikelnummer | dd1264822 |
voorraad | 0 |
Levering | Bezorgen of afhalen |
Staat | Nieuw en Tweedehands |
Aanbieding | Bekijk de prijs |
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