{"product_id":"pyroelectric-infrared-sensor-anti-theft-circuit-diy-kit-soldering-practice-board","title":"Pyroelectric Infrared Sensor Anti-theft Circuit DIY Kit Soldering Practice Board","description":"\u003cspan style=\"font-size:14px;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eCircuit composition and function:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003eThe 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 \u003cspan class=\"tlid-translation translation\" lang=\"en\"\u003e\u003cspan title=\"\"\u003epreventing\u003c\/span\u003e\u003c\/span\u003e of power failure.\u003cbr\u003eThis 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 °.\u003cbr\u003eNote: did not have assemble manual.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePackage included:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e1 x Pyroelectric Infrared Sensor Anti-theft Circuit DIY Kit\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/68\/42\/4db113f6-f3e6-4fb3-b23a-9851ca1815fe.jpg\" style=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/7D\/2C\/19cae103-e8b9-490e-814f-1b9cea96efe2.JPG\" style=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/03\/9B\/1693f130-9c4b-43f2-a698-8366912ad260.JPG\" style=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/72\/7F\/ce74c1d1-da17-42f9-ab31-832e0ec457ae.JPG\" style=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/DF\/3A\/01178b7b-077e-42ec-8776-1c2f69988bf9.JPG\" style=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/54\/6D\/3ba5477b-069f-463e-9752-d863f7a3a42b.JPG\" style=\"\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/23\/4E\/422145d4-3928-46fe-ae23-142e0ecc3efe.JPG\" style=\"\"\u003e","brand":"Electronic Pro","offers":[{"title":"Default Title","offer_id":35368736686236,"sku":"1642236","price":611.85,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/4db113f6-f3e6-4fb3-b23a-9851ca1815fe.jpg?v=1596625163","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/pyroelectric-infrared-sensor-anti-theft-circuit-diy-kit-soldering-practice-board","provider":"Electronic Pro ","version":"1.0","type":"link"}