Pyroelectric Infrared Sensor Anti-theft Circuit DIY Kit Soldering Practice Board
Description
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
Price history chart & currency exchange rate
Customers also viewed
$343.61
Автомобильный багажник ZJCGO, электрическая всасывающая задняя дверь, интеллектуальная подъемная стойка багажника для Honda Civic 10 Mk10 FC FK 2016 ~ 2021
aliexpress.ru
$16.51
NEW Bicycle Helmet LED Light Rechargeable Intergrally-molded Cycling Helmet Mountain Road Bike Helmet Sport Safe Hat For Man
aliexpress.ru
$5.54
Оригинальные амбушюры для наушников Dxp для Ultrasone, сменные амбушюры для наушников Dxp
aliexpress.ru
$9.88
Protective Work Sleeves Cut Arm Sleeve Resistant Anti Puncture Work Protection Anti Puncture Work Protection Arm Sleeve Cover
aliexpress.ru
$52.31
Электрический чайник на 1,7 литров с 6 термометрами, заварочный чайник для черного чая, чайник для дома
aliexpress.ru
$6.56
Камень DIY Аксессуар Октаэдр Ювелирные изделия Флюорит Прозрачный Синий Флюорит Кристалл Точечный Минерал Образцы
joom.ru
$4.74
330-dark orange frosted fake nail piece wearing nail sticker finished nail piece 24 pieces nail sticker
fordeal.com
$14.31
designer casquette caps fashion men women baseball cap cotton sun hat hip hop classic hats, Blue;gray
dhgate.com
$7.85
4 Pieces Toe Cap Guards Protectors Toe Caps Roller Skate Cap Protectors For Quad Roller Skate
aliexpress.com
$34.02
pocing men's short sleeved cycling sweater suit mtb bicycle clothing fast drying ropa ciclismo maillot
fordeal.com
$29.91
11 Ports USB 3.0 Splitter Computer Extender USB HUB Fast Charging Port External 12V Power Supply For Mac Pro-US Plug
aliexpress.com
$1.99
Erotic Panties Leopard Print Sexy Charming Ladies Panties Female Transparent Embroidery Sexy Panties Crotchless Panties
aliexpress.com
$1.98
Мягкая Пижама для домашних животных, французский шелк, бульдог, пижама для маленьких собак, одежда для кошек, одежда для домашних животных, ф...
aliexpress.com
$36.64
women's pajamas autumn long-sleeved trousers combed cotton can be worn with korean casual home wear
fordeal.com
$55.01
daddy shoes women's tide ins2021 new summer breathable small thick bottom increased women's shoes sports casual shoes
fordeal.com
$957.26
caroline scheufele chopard happy diamond 278559-3003 series ladies fashion luxury case mechanical watch watch
fordeal.com
$21.95
P1 Wireless Speaker Mini Bluetooth Loudspeaker Crack LED TF USB Subwoofer Stereo Speakers mp3 stereo audio music player
aliexpress.com
$18.40
2020 новые новорожденных младенцев мальчики девочки твердая bodysuit romper + полосатые шорты hat эпикировка set (3m-18м) детские коротким р, White
dhgate.com
$18.47
316 Stainless Steel Boat Door Catch 180 Degree Rotating Round Knob Lock Push Button Closure Suitable for Marine Home Use 1
joom.ru
