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.
Read MoreTag: Arduino
TCA9548A – I2C Multiplexer
I show you how to use up to eight I2C components with the same address with the I2C multiplexer TCA9548A. Alternatively, you can use MOSFETs as well for this purpose.
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MPU9250 – 9-Axis Sensor Module – Part 1
The MPU9250 is an accelerometer, gyroscope, magnetometer and thermometer. I present its technical characteristics and give an introduction to my library.
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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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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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Arduino IoT Cloud – Part 1: Introduction
With the Arduino IoT Cloud, projects can be easily controlled over the Internet. I will show you step-by-step how this works, but also go into limitations.
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aTeVaL 2.0 – The Universal Tool
The aTeVaL 2.0 is a development board that you can use as an ISP programmer as well as a serial programmer for the Arduino IDE. Here’s an introduction.
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Sleep Modes and Power Management
By using sleep modes and power management, valuable battery power can be saved on projects. I’ll show you how to control these features.
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Using the ATmega328P standalone
I’ll show you different ways to program the heart of the Arduino UNO, the ATmega328P, standalone. This saves space, costs and battery.
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Logical operations and port manipulation
Portmanipulation is much faster than the classic Arduino functions. For this, logical operations are the basic tool. Both will be explained in this article.
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