{"product_id":"gravity-analog-isolation-module","title":"DFRobot Gravity: Analog Signal Isolator | DFR0504","description":"\u003ch2\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGravity: Analog Signal Isolator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"441\" data-start=\"91\"\u003eThe \u003cstrong data-end=\"130\" data-start=\"95\"\u003eGravity: Analog Signal Isolator\u003c\/strong\u003e is an effective solution for eliminating electrical interference between sensors. It features an onboard 5V isolated power supply, capable of directly powering connected sensors—eliminating the need for an external power source. This makes the module both \u003cstrong data-end=\"415\" data-start=\"387\"\u003econvenient and practical\u003c\/strong\u003e for various applications.\u003c\/p\u003e\n\u003cp data-end=\"880\" data-start=\"443\"\u003eDesigned with ease of use in mind, the module includes specially designed connectors compatible with \u003cstrong data-end=\"576\" data-start=\"544\"\u003eDFRobot 3-pin analog sensors\u003c\/strong\u003e, allowing for \u003cstrong data-end=\"608\" data-start=\"591\"\u003eplug-and-play\u003c\/strong\u003e functionality without the need for soldering. It maintains a \u003cstrong data-end=\"710\" data-start=\"670\"\u003e1:1 analog signal transmission ratio\u003c\/strong\u003e, ensuring minimal impact on sensor output signals when integrated into a circuit. Notably, no changes to the microcontroller's code are required when adding this module.\u003c\/p\u003e\n\u003cp data-end=\"1114\" data-start=\"882\"\u003eThis analog signal isolator is particularly useful in setups where sensor interference is a concern—such as \u003cstrong data-end=\"1042\" data-start=\"990\"\u003emulti-parameter water quality monitoring systems\u003c\/strong\u003e—by providing reliable signal isolation between multiple analog sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0531\/3419\/6927\/files\/DFR0504-Interface.jpg?v=1748583300\"\u003e\u003c\/p\u003e\n\u003csection class=\"info_INTRODUCTION\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ci\u003eGravity: Analog Signal Isolator Interface\u003c\/i\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eThis product is almost compatible with all analog sensors produced by DFRobot. It could satisfy varied demands in situations that require electrical isolation.\u003c\/span\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe MCU terminal (non-isolation terminal) should be provided with precise voltage of 5.0±0.1V. The higher the precision of input voltage, the higher the precision of analog output signal.\u003c\/li\u003e\n\u003cli\u003eThis module consumes relatively large current during operation, so you'd better to provide external power supply to Arduino board to guarantee enough power and voltage precision.\u003c\/li\u003e\n\u003cli\u003ePlease pay attention to the operating current of your sensor or module, the maximum output current from SEN terminal is 170mA.\u003c\/li\u003e\n\u003cli\u003eThe GND of the MCU terminal(non-isolation terminal) and the GND of SEN terminal (isolation terminal) are isolated from each other. Do not short circuit them.\u003c\/li\u003e\n\u003cli\u003eIt is normal for the isolator generates heat while working.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"info_SPECIFICATION\"\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 5.0V\u003c\/li\u003e\n\u003cli\u003eResponse Time: 4 seconds (Typ)\u003c\/li\u003e\n\u003cli\u003eAnalog Error between Two Terminals: \u0026lt;± 20mV (Typ)\u003c\/li\u003e\n\u003cli\u003eConector Type: PH2.0-3P\u003c\/li\u003e\n\u003cli\u003eNo-load Current: 75mA\u003c\/li\u003e\n\u003cli\u003eDimension: 42 * 32mm \/ 1.65 * 1.26 inch\u003c\/li\u003e\n\u003cli\u003eNon-isolation Terminal (MCU Terminal)\n\u003cul\u003e\n\u003cli\u003e Supply Voltage: 5.0 ± 0.1V\u003c\/li\u003e\n\u003cli\u003eAnalog Output: 0 ~ 5.0V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eIsolation Terminal (SEN Terminal)   \n\u003cul\u003e\n\u003cli\u003eOutput Voltage: 5.0 ± 0.2V\u003c\/li\u003e\n\u003cli\u003eAnalog Input: 0 ~ 5.0V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"info_DOCUMENTS\"\u003e\n\u003ch2\u003e\u003cstrong\u003eDocuments:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/Gravity__Analog_Signal_Isolator_SKU_DFR0504\" target=\"_blank\"\u003eWiki\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/Arduinolibrary\/DFRobot_Gravity_Analog_Signal_Isolator_DFR0504\/raw\/master\/Analog%20Isolation%20Module(V1.0)%20Schematic.pdf\" target=\"_blank\"\u003eSchematic\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/Arduinolibrary\/DFRobot_Gravity_Analog_Signal_Isolator_DFR0504\/raw\/master\/Analog%20Isolation%20Module(V1.0)%20Layout.pdf\" target=\"_blank\"\u003eLayout\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/Arduinolibrary\/DFRobot_Gravity_Analog_Signal_Isolator_DFR0504\/raw\/master\/Datasheet.zip\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eGravity: Analog Signal Isolator x1\u003c\/li\u003e\n\u003cli\u003ePH2.0-3P Cable x2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":42292824670399,"sku":"MLE00575","price":1299.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0531\/3419\/6927\/files\/MLE00575.jpg?v=1748583692","url":"https:\/\/makerlab.ph\/products\/gravity-analog-isolation-module","provider":"Makerlab PH","version":"1.0","type":"link"}