{"product_id":"m5stack-voltage-and-amperage-meter-with-m5stamps3","title":"M5Stack Voltage and Amperage Meter with M5StampS3","description":"\u003cp\u003eThis VA Meter is a high-precision, programmable power meter designed for accurate voltage and current measurements. Based on the \u003ca href=\"\/ru\/products\/m5stamps3-with-1-27-header-pin\"\u003eM5StampS3\u003c\/a\u003e control module, it supports WiFi connectivity. It includes two serially connected INA226 circuits for precise current detection, with resolutions of 2.5uA and 250uA, and a measurement range of 0-5A and 5-24V (1-24V in isolation mode).\u003c\/p\u003e\n\u003cp\u003ePower can be supplied via \u003ca href=\"\/ru\/products\/usb-a-to-usb-c-cable-1m\"\u003eUSB-C\u003c\/a\u003e or Base terminal input, with built-in power and signal isolation. The device also supports OTA firmware upgrades, and USB MSC\/OTG functionality, and offers a free online data API for easy IoT integration. This meter is great for engineering projects, industrial automation, equipment monitoring, and smart grids. If you need precise voltage and amp measurements, this is the meter for you!\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh precision current detection (2.5uA\/250uA precision switching)\u003c\/li\u003e\n\u003cli\u003eWide voltage input (5-24V)\u003c\/li\u003e\n\u003cli\u003eCloud (EZData) real-time data display\u003c\/li\u003e\n\u003cli\u003ePD input (internal does not contain PD decoy)\u003c\/li\u003e\n\u003cli\u003eMultiple power supply modes (PD INPUT\/StampS3\/External terminal)\u003c\/li\u003e\n\u003cli\u003ePower is isolated from signal\u003c\/li\u003e\n\u003cli\u003eUSB MSC\/OTG function\u003c\/li\u003e\n\u003cli\u003eOpen-source hardware and software\u003c\/li\u003e\n\u003cli\u003eOTA Upgrade\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable width=\"740\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"278\"\u003ePower detection chip\u003c\/td\u003e\n\u003ctd width=\"462\"\u003eINA226\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoC\u003c\/td\u003e\n\u003ctd\u003eESP32S3FN8@Xtensa® 32-bit LX7 dual-core processor up to 240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash\u003c\/td\u003e\n\u003ctd\u003e8MB Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSRAM\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003ctd\u003eIEEE 802.11 b\/g\/n (2.4 GHz Wi-Fi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScreen\u003c\/td\u003e\n\u003ctd\u003e1.3\"@ 240 x 240 Pixel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScreen Driver\u003c\/td\u003e\n\u003ctd\u003eST7789\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePD Input\/Output Power\u003c\/td\u003e\n\u003ctd\u003e5-24V@0-5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent detection resolution\u003c\/td\u003e\n\u003ctd\u003e2.5uA\/250uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003eCurrent sampling error\u003c\/td\u003e\n\u003ctd\u003eSmall current (1-100mA) sampling error: 1.01%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLarge current (100mA-5A) Sampling error: 0.94%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUA-level current sampling error: 0.69%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003ePower Consumption (factory firmware)\u003c\/td\u003e\n\u003ctd\u003eSSTAMP_S3 USB power supply: DC5V\/123.5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePD INPUT power supply: DC5V\/118mA, DC12V\/66.8mA     DC24V\/26mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003ePD OUTPUT capability\u003c\/td\u003e\n\u003ctd\u003eDC24V\/3A 68℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC24V\/5A 92℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSER interaction\u003c\/td\u003e\n\u003ctd\u003eRotary encoder switch, reset button, boot button and board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eINA226 Communication Address\u003c\/td\u003e\n\u003ctd\u003eTwo detection chips INA226:0x40\/0x41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay\u003c\/td\u003e\n\u003ctd\u003eDC 5-24V @5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0-40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003eProduct Size\u003c\/td\u003e\n\u003ctd\u003eVAMeter 36 x 36 x 14.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVAMeter 36 x 36 x 20.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRail Fastening 51.5 x 48 x 5.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Size\u003c\/td\u003e\n\u003ctd\u003e150 x 93 x 30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003eProduct Weight\u003c\/td\u003e\n\u003ctd\u003eVAMeter: 17.7g VAMeter Base: 25.8g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRail Fastening 4g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Weight\u003c\/td\u003e\n\u003ctd\u003e68.1g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/core\/VA%20Meter\"\u003eProduct Wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/guide\/iot_tools\/vameter\/usage\"\u003eTutorial\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/m5stack.oss-cn-shenzhen.aliyuncs.com\/resource\/docs\/products\/core\/VA%20Meter\/Sch_VAMeter_V1.2.pdf\"\u003eSchematic\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/m5stack.oss-cn-shenzhen.aliyuncs.com\/resource\/docs\/products\/core\/VA%20Meter\/Sch_VAMeter_base_V1.0.pdf\"\u003eBase Schematic\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/m5stack.oss-cn-shenzhen.aliyuncs.com\/resource\/docs\/products\/core\/VA%20Meter\/VAMeter_base_board.dxf\"\u003eBase PCB\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x VA Meter\u003c\/li\u003e\n\u003cli\u003e1x VA Meter Base\u003c\/li\u003e\n\u003cli\u003e2x 3.81-2P terminal\u003c\/li\u003e\n\u003cli\u003e4x Hanger (Small)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":50847298617617,"sku":"K136","price":30.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6285\/6209\/files\/m5stack-voltage-and-amperage-meter-with-m5stamps3-m5stack-k136-42556147040451.jpg?v=1735210408","url":"https:\/\/abcd3032.myshopify.com\/ru\/products\/m5stack-voltage-and-amperage-meter-with-m5stamps3","provider":"Tayyab Zak","version":"1.0","type":"link"}