{"product_id":"kitronik-light-activated-switch","title":"Kitronik Light Activated Switch","description":"\u003cp\u003eThis light-activated kit is also available as a \u003ca href=\"https:\/\/kitronik.co.uk\/products\/2113-heat-activated-switch\" title=\"temperature activated project kit\"\u003e temperature-activated project kit.\u003c\/a\u003e The output of this board can be used to control other electronic circuits, turning them on automatically when it goes light or dark.\u003c\/p\u003e\n\u003cp\u003eThe board has space for an LED with a current limit resistor (both available separately) which will light when the output turns on.\u003c\/p\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/kitronik.co.uk\/blogs\/resources\/how-a-darlington-pair-transistor-works\" title=\"how a darlington pair works\"\u003eDarlington pair\u003c\/a\u003e transistor configuration allows an output current of up to half an amp to be controlled. Operating voltage 3V to 12V (lower voltages allow for better adjustment of the switching point).\u003c\/p\u003e\n\u003ch3\u003eNote:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis kit requires soldering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis Light Switch Kit detects the brightness of its surroundings using a Phototransistor.\u003c\/li\u003e\n\u003cli\u003eThe kit acts as an automated on\/off switch (light dependable) for many devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eContents:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x \u003ca href=\"https:\/\/kitronik.co.uk\/products\/1m-pcb-trimmer-1m-pot\"\u003e1MΩ Potentiometer\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e2 x \u003ca href=\"https:\/\/kitronik.co.uk\/products\/bc337-npn-transistor\" title=\"c2938-bc337-npn-transistor\"\u003eBC337 NPN Transistors\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 x \u003ca href=\"https:\/\/kitronik.co.uk\/products\/35139-phototransistor-ltr-4206-pack-of-10\"\u003ePhototransistor\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 x \u003ca href=\"https:\/\/kitronik.co.uk\/products\/resistor-box-of-1000\" title=\"c3004-resistor-box-of-1000\"\u003e220Ω Resistor\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e1 x Light Activated Switch PCB  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePossible applications include:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGarden light that switches on automatically at night.\u003c\/li\u003e\n\u003cli\u003eDrawer alarm, which sounds when a dark drawer is opened.\u003c\/li\u003e\n\u003cli\u003eLine following robot (using 2 light-activated boards).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDimensions:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePCB Length: 53mm.\u003c\/li\u003e\n\u003cli\u003ePCB Width: 25.5mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRequires:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/kitronik.co.uk\/products\/2609-soldering-iron-mains-power-18w\" title=\"Soldering Iron\"\u003eSoldering Iron\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/kitronik.co.uk\/products\/2608-lead-free-solder-250g-reel\" title=\"Solder\"\u003eSolder\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/kitronik.co.uk\/products\/2620-economy-wire-cutters\" title=\"Wire Cutters\"\u003eWire Cutters\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eResources:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/resources.kitronik.co.uk\/pdf\/2112_light_activated_switch_essentials_2_0.pdf\" title=\"2112_light_activated_switch_essentials_2_0.pdf\"\u003eBuild Instructions\u003c\/a\u003e.\u003cimg height=\"24\" width=\"25\" alt=\"pdf_icon.gif\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" style=\"vertical-align: middle;\" data-mce-style=\"vertical-align: middle;\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/resources.kitronik.co.uk\/pdf\/2112_light_activated_switch_teaching_notes_2_0.pdf\" title=\"2112_light_activated_switch_teaching_notes_2_0.pdf\"\u003eTeaching Resources\u003c\/a\u003e.\u003cimg height=\"24\" width=\"25\" alt=\"pdf_icon.gif\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" style=\"vertical-align: middle;\" data-mce-style=\"vertical-align: middle;\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Kitronik","offers":[{"title":"Default Title","offer_id":42700405866557,"sku":"65C00018","price":12.3,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2583\/0205\/files\/kitronik-av-ict-electronic-project-kits-default-title-kitronik-light-activated-switch-26761574613053.jpg?v=1770587174","url":"https:\/\/eduplaninternational.com\/en-us\/products\/kitronik-light-activated-switch","provider":"Eduplan International","version":"1.0","type":"link"}