{"product_id":"m5stack-voltmeter-unit-ads1115","title":"M5Stack Voltmeter Unit (ADS1115)","description":"\u003cp\u003eThis Voltmeter Unit is a voltage meter that can monitor the voltage in real time. The 16-bit ADC (analog-to-digital) converter ADS1115 is used internally to communicate through I2C (0X49).\u003c\/p\u003e\n\u003cp\u003eIn order to ensure the measurement accuracy, there is a built-in DC-DC isolated power supply, and the I2C interface is also electrically isolated through the low-power isolator CA-IS3020S.\u003c\/p\u003e\n\u003cp\u003eThis prevents noise and surges on the data bus or other circuits from entering the local ground terminal to interfere or damage sensitive circuits. Each unit is individually calibrated when leaving the factory, with an initial accuracy of 0.1%FS, ±1 count, and a maximum measurement voltage of ±36V.\u003c\/p\u003e\n\u003cdiv class=\"normal-blockquote\"\u003e\n\u003cp\u003eThe EEPROM (0x53) has built-in calibration parameters when leaving the factory. \u003cstrong\u003ePlease DO NOT write to the EEPROM, otherwise the calibration data will be overwritten and the measurement results will be inaccurate.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 id=\"product-features\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e±36V range\u003c\/li\u003e\n\u003cli\u003eLED power indicator\u003c\/li\u003e\n\u003cli\u003e16-bit ADC conversion\u003c\/li\u003e\n\u003cli\u003eResolution: Auto range, Count ≤ 16V, 1mV; Count \u0026gt; 16V, 7.9mV\u003c\/li\u003e\n\u003cli\u003eInital accuracy 0.1%FS, ±1 count\u003c\/li\u003e\n\u003cli\u003eBuilt-in CA-IS3020S isolation chip, anti-interference\u003c\/li\u003e\n\u003cli\u003eIsolated DC-DC\u003c\/li\u003e\n\u003cli\u003eUp to 1000 VRMS isolation withstand voltage\u003c\/li\u003e\n\u003cli\u003eDevelopment platform: Arduino, UIFlow (under development)\u003c\/li\u003e\n\u003cli\u003e2x LEGO compatible holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"includes\"\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Voltmeter Unit\u003c\/li\u003e\n\u003cli\u003e1x Grove Cable (20cm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch2 id=\"specification\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eResources\u003c\/th\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003eAuto range, Count ≤ 16V, 1mV; Count \u0026gt; 16V, 7.9mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasuring range\u003c\/td\u003e\n\u003ctd\u003e±36V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInital Accurancy\u003c\/td\u003e\n\u003ctd\u003e0.1%FS, ±1 count\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication protocol\u003c\/td\u003e\n\u003ctd\u003eI2C: 0x49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e9g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e24g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Size\u003c\/td\u003e\n\u003ctd\u003e65 x 24 x 8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Size\u003c\/td\u003e\n\u003ctd\u003e67 x 53 x 12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cli\u003eDocuments\u003c\/li\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":48624220766426,"sku":"tff1789686999732","price":16.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8318\/3834\/files\/m5stack-voltmeter-unit-ads1115_1.jpg?v=1789687004","url":"https:\/\/memoryfoamwear.shop\/products\/m5stack-voltmeter-unit-ads1115","provider":"My Store","version":"1.0","type":"link"}