WiFi BBQ thermometer
I will show you how to build a WiFi BBQ thermometer with a temperature sensor, an ESP32 board and a few other components.
Read MoreTag: Calibration
MH-Z14 and MH-Z19 CO2 Sensors
With CO2 sensors of the MH-Z14 and MH-Z19 series you can monitor the indoor air quality. I show how you how to control the sensors and I check their accuracy.
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ADXL345 – The Universal Accelerometer – Part 1
The ADXL345 is a 3-axis accelerometer with many features. I explain how to use it with my associated library.
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INA282 Current Sensor
This is my last (!) post about current sensors. The INA282 determines currents by amplifying the voltage dropping across an external shunt. The output value is analog. I show you how to use the INA282 with the Arduino UNO or other microcontrollers.
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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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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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