This sensor device is built to measure the amount of current being used, especially in power supplies as the design is based on Arduino. The main component used is the ACS712 sensor from Allegro ...
The INA219 is a voltage, current and power measurement device. A few important maxima, see datasheet, chapter 7, esp 7.5 Datasheet states it supports 1 KHz .. 2.56 MHz. Note: higher speeds and longer ...