Gravity: I2C Digital Wattmeter is a module of a precision digital current sensor with the INA219 system from TI. The system enables measurement of voltage, current and power of electronic modules and devices in the range up to 26V and 8A with a relative error of ± 0.2%. Communication with the module takes place via the I2C interface. The product can be used to assess energy consumption or battery life in solar energy systems, batteries, motors, controllers or electronic modules.
Sample module connection

Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Expansion board for Arduino, allows easy connection of XBee modules, has separate outputs for I2C, SPI and UART buses. The built-in 3.3V voltage stabilizer and operating mode switch make it easier to program the Arduino when the XBee module is connected to the sockets. DFRobot DFR0265
Module with INA219 system with bi-directional current meter
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Gravity: IO Expansion & Motor Driver Shield is an Arduino compatible expansion board that provides digital I / O ports, analog I2C, SPI and UART interfaces, as well as a DC motor driver. DFRobot DFR0502
Module with bi-directional current sensor based on the INA226 system. It allows you to measure current and power, works with a voltage of 0-36 V. It has an I2C interface.
No product available!
A digital precision current sensor module that measures voltage, current and power of electronic modules and devices up to 26V and 8A with a relative error of ± 0.2%. DFRobot SEN0291
Compact Pololu 5294 current sensor based on the ACS37220 IC, designed for measuring currents up to ±200 A at a 5 V supply voltage in applications requiring galvanic isolation and an analog output. Pololu 5294
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ACS724LLCTR-30AB current sensor module with a DC and AC measurement range from -30 to +30 A. It communicates via an analog interface. Pololu 4047
Compact current sensor based on TMR technology, enabling precise measurements up to 30 A with minimal energy losses. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5305
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Module with ACS724LLCTR-10AU current sensor with a measuring range of direct and alternating current from 0 to 10 A. It communicates via an analog interface. Pololu 4042
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Analogue current sensor module. Allows measurement of AC and DC currents up to 50 A. DFRobot SEN0098-V2
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The current measurement of 0 - 30A is carried out by the ACS712-30 system based on the Hall effect. The sensitivity of the system is 66mV / A (analog signal).
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ACS724LLCTR-10AB current sensor module with a DC and AC measurement range from -10 to +10 A. It communicates via an analog interface. Pololu 4043
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A digital precision current sensor module that measures voltage, current and power of electronic modules and devices up to 26V and 8A with a relative error of ± 0.2%. DFRobot SEN0291