MAX471 Current Sensor

This my the penultimate article on the subject of current sensors. This time it is about the MAX471, a shunt-based current sensor with internal amplifier. I present two modules and show how to use them on the Arduino.

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ACS712 Current Sensor

The ACS712 current sensor can be used to measure currents in the range of amperes. I show how to get down into the milliampere area and also measure the performance.

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INA226 Current and Power Sensor

The INA226 is a current and power sensor which, in contrast to the INA219, is equipped with an alarm pin for limit violations. I present the INA226 module and my associated library.

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