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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Wemos D1 Mini Boards

A little breather from current sensors:
I present the Wemos D1 Mini Board with its technical features and show how you integrate it into the Arduino IDE. I will highlight the main differences from the Arduino UNO Board.

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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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Using IFTTT and Webhooks with the ESP8266

You want to be informed about out-of-control sensor readings on your smartphone (free of charge)? No problem with IFTTT (if this then that). I’ll show you step by step how to do this and how you track things online.

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