{"product_id":"kitronik-heat-activated-switch","title":"Kitronik Heat Activated Switch","description":"\u003cp\u003eThis temperature activated project kit is also available as a \u003ca title=\"light activated project kit\" href=\"https:\/\/kitronik.co.uk\/products\/2112-light-activated-switch\"\u003elight 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 hot or cold.\u003c\/p\u003e\n\n\u003cp\u003eThe board has space for an LED with current limit resistor (both available separately) which will light when the output turns on.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003ca title=\"how a darlington pair works\" href=\"https:\/\/kitronik.co.uk\/blogs\/resources\/how-a-darlington-pair-transistor-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 10V (lower voltages allow for better adjustment of the switching point).\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe Temperature Switch Kit detects the temperature of its surroundings using a thermistor.\u003c\/li\u003e\n\u003cli\u003eThe kit acts as an automated on\/off switch (temperature dependant).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eContents:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x \u003ca title=\"c3001-47k-pcb-trimmer-47k-pot\" href=\"https:\/\/kitronik.co.uk\/products\/47k-pcb-trimmer-47k-pot\"\u003e47KΩ Potentiometer\u003c\/a\u003e.\u003c\/li\u003e \n\u003cli\u003e2 x \u003ca title=\"c2938-bc337-npn-transistor\" href=\"https:\/\/kitronik.co.uk\/products\/bc337-npn-transistor\"\u003eBC337 NPN Transistors\u003c\/a\u003e.\u003c\/li\u003e \n\u003cli\u003e1 x \u003ca title=\"c3006-4k7-47k-thermistor\" href=\"https:\/\/kitronik.co.uk\/products\/4k7-47k-thermistor\"\u003eThermistor\u003c\/a\u003e.\u003c\/li\u003e \n\u003cli\u003e1 x \u003ca title=\"c3004-resistor-box-of-1000\" href=\"https:\/\/kitronik.co.uk\/products\/resistor-box-of-1000\"\u003e220Ω Resistor\u003c\/a\u003e.\u003c\/li\u003e \n\u003cli\u003e1 x Heat Activated Switch PCB\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003ch3\u003ePossible applications include:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBabies bath over temperature indicator.\u003c\/li\u003e \n\u003cli\u003eAutomatic fan.\u003c\/li\u003e \n\u003c\/ul\u003e\n\n\u003cp\u003e\u003c\/p\u003e\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\n\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eRequires:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca title=\"Soldering Iron\" href=\"https:\/\/kitronik.co.uk\/products\/2609-soldering-iron-mains-power-18w\"\u003eSoldering Iron\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Solder\" href=\"https:\/\/kitronik.co.uk\/products\/2608-lead-free-solder-250g-reel\"\u003eSolder\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Wire Cutters\" href=\"https:\/\/kitronik.co.uk\/products\/2620-economy-wire-cutters\"\u003eWire Cutters\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eResources:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003ca title=\"2113_heat_activated_switch_essentials_2_0\" rel=\"noopener\" href=\"https:\/\/resources.kitronik.co.uk\/pdf\/2113_heat_activated_switch_essentials_2_0.pdf\"\u003eBuild Instructions\u003c\/a\u003e.\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" alt=\"pdf_icon.gif\" width=\"25\" height=\"24\"\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003ca title=\"2113_heat_activated_switch_teaching_notes_2_0\" rel=\"noopener\" href=\"https:\/\/resources.kitronik.co.uk\/pdf\/2113_heat_activated_switch_teaching_notes_2_0.pdf\"\u003eTeaching Notes\u003c\/a\u003e.\u003cimg style=\"vertical-align: middle;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0254\/1191\/1743\/files\/pdf_icon_8e42f9e6-ae48-4250-9bd9-3a2c59c1eccb.gif?v=1600101273\" alt=\"pdf_icon.gif\" width=\"25\" height=\"24\"\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eNote:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis kit requires soldering.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kitronik","offers":[{"title":"Default Title","offer_id":42700405899325,"sku":"65C00019","price":15.75,"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-heat-activated-switch-26761574645821.jpg?v=1770587175","url":"https:\/\/eduplaninternational.com\/en-us\/products\/kitronik-heat-activated-switch","provider":"Eduplan International","version":"1.0","type":"link"}