Pyroelectric Infrared Sensor Anti-theft Circuit DIY Kit Soldering Practice Board

$47.10
Circuit composition and function:The circuit consists of pyroelectric infrared sensor PIR to detect infrared, triodes VT1 and IC2A to amplify signals, IC2B and IC3 as comparators, triodes VT2 and buzzer HA to form an alarm circuit, VT3 and peripheral components to form a startup delay circuit. The circuit is equipped...
-
+
$31.40

1642236

Out of stock

Circuit composition and function:

The circuit consists of pyroelectric infrared sensor PIR to detect infrared, triodes VT1 and IC2A to amplify signals, IC2B and IC3 as comparators, triodes VT2 and buzzer HA to form an alarm circuit, VT3 and peripheral components to form a startup delay circuit. The circuit is equipped with rectification filter and battery E, in order to continue to supply power preventing of power failure.
This circuit can be used as home anti-theft. When family leaves the room, switch S2 is closed and the circuit works. As soon as someone enters the room for a while, they will sound an alarm. The monitoring range is 7m and 86 °.
Note: did not have assemble manual.

Package included:

1 x Pyroelectric Infrared Sensor Anti-theft Circuit DIY Kit

Customer Reviews

No reviews yet
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

When will my order be processed?
    All orders are handled and shipped out from our warehouse in USA and China. Please allow extra time for your order to be processed during holidays and sale seasons.
    We process orders between Monday and Friday. Orders will be processed within 3-10 business days from the order date and shipped the next day after the processing day. Please note that we don't ship on weekends.
    How long will it take to receive my order?
    Once you place your order, please allow 3-10 business days to process your orders. After that, it will take 25-45 business days for delivery in the United States, and 25-50 business days for international orders (depending on location).

Recently Viewed Products