{"product_id":"5v-photoresistor-relay-module","title":"5V Photoresistor Relay Module | DIY Light Sensor Switch","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eAutomated Light Detection for DIY Projects\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e5V Photoresistor Relay Module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eautomatically controls electrical circuits based on ambient light levels, acting as a smart switch for your automation projects. Whether you are building an automatic street light that turns on at dusk or a smart garden irrigation system, this module detects brightness changes through its dedicated photoresistor probe and triggers the onboard relay without requiring a separate microcontroller like an Arduino.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eBuilt-In Potentiometer \u0026amp; Safe Wiring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eYou can easily adjust the light sensitivity threshold of the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e5V Photoresistor Relay Module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e\u003cspan\u003e \u003c\/span\u003eusing the onboard blue potentiometer. By turning the dial, you dictate exactly how dark or bright the environment needs to be before the relay activates. Furthermore, the board features built-in reverse polarity protection, ensuring that accidentally swapping the 5V power and ground wires will not damage the module's circuitry.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePro Tip from Our Technicians\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eFor outdoor DIY lighting projects, our Sham Shui Po technical team strongly advises ensuring the photoresistor probe is physically shielded from the artificial light it controls. If the sensor detects the light bulb it just turned on, it will immediately turn the relay off, creating a rapid, continuous flickering loop. If you need help mapping out the COM, NO, and NC wiring for your specific STEM project, bring your schematic to our store for on-site advice!\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":48039047069847,"sku":"21PS002380","price":64.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/5v-photoresistor-relay-module-top-view.jpg?v=1784613343","url":"https:\/\/scccltd.com\/en-tw\/products\/5v-photoresistor-relay-module","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}