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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Current Sensor – how to build it yourself
In this article I show how you can build a shunt-based current sensor like the INA219 or INA226 yourself. I present two solutions.
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ADS1115 – A/D converter with amplifier
The ADS1115 is a 16-bit, 4-channel A/D converter with amplifier and alert function. I explain its technical details and present my associated library.
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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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INA219 Current and Power Sensor
With the INA219 module, you can measure currents and power conveniently and reliably. I explain how this works and introduce my library INA219_WE.
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HX711 based balance
With an HX711 module and a load cell, you can easily build an astonishingly precise balance. I also show you how to install an automatic shut-off system.
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Hall Sensors and Reed Switches
Hall sensors and reed switches are electrical components that respond to magnetic fields. I show which variants there are and how to use them.
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IR proximity sensor – how to build it yourself
In this article I show how to build an IR proximity sensor yourself. I present two approaches, one with pulsed signals and one without.
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Sensor comparison – ambient light, proximity, motion
This is the conclusion of my series on distance, proximity, motion, ambient light, gesture and color sensors. I will compare the functions of the different sensors.
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