{"product_id":"m5stack-ammeter-unit-ads1115","title":"M5Stack Ammeter Unit (ADS1115)","description":"\u003cp\u003eThe Ameter Unit is a current meter that can monitor the current in real time. The 16-bit ADS1115 ADC (analog-to-digital) converter can be used to communicate through I2C protocol (By default the I2C address is 0X48 unless manually modified).\u003c\/p\u003e\n\u003cp\u003eIn order to ensure the measurement accuracy, there is a built-in DC-DC isolated power supply.\u003c\/p\u003e\n\u003cp\u003eThe I2C interface is also electrically isolated through the isolator module CA-IS3020S, this prevents noise and surges on the data bus or other circuits from entering the local ground terminal to interfere or damage sensitive circuits.\u003c\/p\u003e\n\u003cp\u003eEach unit is factory calibrated with an initial accuracy of 0.1%FS, ±1 count and resolution of 0.3mA.\u003c\/p\u003e\n\u003cp\u003eThe unit has a maximum measurement current of ±4A, and an internal integrated 4A fuse to prevent excessive measurement current from burning out the circuit.\u003c\/p\u003e\n\u003cdiv class=\"normal-blockquote\"\u003e\n\u003cp\u003eThe EEPROM (0x51) 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±4A range\u003c\/li\u003e\n\u003cli\u003e16-bit ADC conversion\u003c\/li\u003e\n\u003cli\u003eInital Accurancy 0.1%FS, ±1 count\u003c\/li\u003e\n\u003cli\u003eResolution 0.3mA\u003c\/li\u003e\n\u003cli\u003eLED power indicator\u003c\/li\u003e\n\u003cli\u003e4A Slow-blow Fuse\u003c\/li\u003e\n\u003cli\u003eFactory calibration (Cal data saved in on-board EEPROM)\u003c\/li\u003e\n\u003cli\u003eBuilt-in I2C isolator CA-IS3020S\u003c\/li\u003e\n\u003cli\u003eIsolated DC-DC\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 Ameter 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\u003eMeasuring range\u003c\/td\u003e\n\u003ctd\u003e±4A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication protocol\u003c\/td\u003e\n\u003ctd\u003eI2C：0x48\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":48624221257946,"sku":"gvb1789687016456","price":15.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8318\/3834\/files\/m5stack-ammeter-unit-ads1115_1.jpg?v=1789687020","url":"https:\/\/memoryfoamwear.shop\/products\/m5stack-ammeter-unit-ads1115","provider":"My Store","version":"1.0","type":"link"}