{"product_id":"motion-sensor-for-security-light","title":"Motion Sensor for Security Light","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThis DIY kit of\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eMotion Sensor for Security Light\u003c\/strong\u003e\u003cspan\u003e is designed to detect the motion in the room and put on the room light when there is a motion. The project uses a PIR sensor to detect the motion and the analogue and digital circuit to put on the light for a particular duration of time.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eBest Motion Sensor\u003c\/strong\u003e\u003cspan\u003e timer is used in monostable mode to generate a one-shot trigger to drive the relay driver IC ULN2803 for a particular duration of time on the basis of the function of the relay, in turn, is the drive to act as a high voltage switching switch to put on the light. The 555 IC pin 3 maintains the high logic for the duration of the time and thus the light is on for that duration. The\u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003eoutput of 555 timers\u003c\/strong\u003e\u003cspan\u003e which is pinned no 3 will be high or low according to the motion senses by the PIR sensor. The input of ULN2803 is connected to \u003c\/span\u003e\u003cstrong\u003epin no.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3 of 555 timer IC\u003c\/strong\u003e\u003cspan\u003e and output of ULN2803 are taken in the form of dc bulb through the relay which will be glow when there will be any motion in the room.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eBlock Diagram\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\u003cimg alt=\"pir-motion-sensor-for-automatic-light-control\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/motion-sensor-for-security-light-project_800x400.jpg?v=1632476830\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eDimensions (cm) L x W x H : 20 x 15 x 5\u003c\/li\u003e\n\u003cli\u003eWeight (gm): 200\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SIPRO ELECTRONICS","offers":[{"title":"Default Title","offer_id":53234694783298,"sku":null,"price":1249.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/3808\/0834\/files\/science-project-kits_2048x2048_93eda56a-e370-4d39-82d2-338bca7e2331.webp?v=1778766854","url":"https:\/\/siproelectronic.com\/products\/motion-sensor-for-security-light","provider":"SIPRO ELECTRONICS","version":"1.0","type":"link"}