{"product_id":"ina219-i2c-bi-directional-current-voltage-power-sensor-module","title":"INA219 I2C Bi-directional Current, Voltage \u0026 Power Sensor Module","description":"\u003cp data-path-to-node=\"5\"\u003eWhen you need a reliable, cost-effective way to track power consumption and battery life, the \u003cb data-path-to-node=\"5\" data-index-in-node=\"94\"\u003eINA219 Current Sensor Module\u003c\/b\u003e is an industry standard. This versatile breakout board measures high-side voltage and DC current draw, calculating the total power output on the fly and delivering the data over a straightforward I2C interface.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eWith a 12-bit ADC and 1% maximum error over its operating temperature range, the INA219 provides excellent baseline accuracy for low-to-medium power DC circuits. It supports bus voltages up to 26V and continuous current measurement up to ±3.2A using the onboard 0.1Ω, 1% sense resistor, making it incredibly simple to integrate with microcontrollers like the ESP32 and STM32.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003ePerfect For:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eDC Energy Metering:\u003c\/b\u003e An excellent, highly supported foundation for designing and prototyping custom DC energy meters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003ePower Harvesting \u0026amp; Battery Logging:\u003c\/b\u003e Ideal for tracking power generation in TEG (Thermoelectric Generator) arrays or logging the charging efficiency of MPPT circuits feeding 10,000mAh battery banks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eLow-Power Hardware Monitoring:\u003c\/b\u003e Keep an exact eye on the power draw of embedded nodes or lightweight homelab servers to verify tight efficiency targets, like a 20W power footprint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eTechnical Specifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eIC:\u003c\/b\u003e Texas Instruments INA219\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eInterface:\u003c\/b\u003e I2C (Up to 4 selectable addresses via solder jumpers)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eMaximum Bus Voltage:\u003c\/b\u003e 26V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cb data-path-to-node=\"10,3,0\" data-index-in-node=\"0\"\u003eMaximum Current:\u003c\/b\u003e ±3.2A (with default 0.1Ω shunt resistor)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,4,0\"\u003e\u003cb data-path-to-node=\"10,4,0\" data-index-in-node=\"0\"\u003eADC Resolution:\u003c\/b\u003e 12-bit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,5,0\"\u003e\u003cb data-path-to-node=\"10,5,0\" data-index-in-node=\"0\"\u003eSensing Type:\u003c\/b\u003e High-side bi-directional current sensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,6,0\"\u003e\u003cb data-path-to-node=\"10,6,0\" data-index-in-node=\"0\"\u003eOperating Logic Voltage:\u003c\/b\u003e 3.0V to 5.5V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K-TECHNICS","offers":[{"title":"Default Title","offer_id":42844648243271,"sku":null,"price":400.0,"currency_code":"KES","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/61HuIE_XMbL._AC_SL1000.jpg?v=1780580429","url":"https:\/\/www.ktechnics.com\/products\/ina219-i2c-bi-directional-current-voltage-power-sensor-module","provider":"K-TECHNICS","version":"1.0","type":"link"}