A thermocouple is a device for measuring temperature. It comprises two dissimilar metallic wires joined together to form a junction. When the junction is heated or cooled, a small voltage is generated in the electrical circuit of the thermocouple which can be measured, and this corresponds to temperature. Basics of Thermocouples A thermocouple consists of …

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Fritzing – New Parts

As you are used to, I always illustrate my projects with a scheme made in Fritzing. The standard components are usually present in the default software. But often enough there are components not present. I then make these components myself. Because I have added a whole series again, I wanted to share my own new library, and …

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BME680 – Gas Sensor

In this blog we look at the BME680 Integrated Environmental Sensor with Arduino Nano microcontroller. The BME680 is a gas sensor that measures relative humidity, barometric pressure, ambient temperature, gas (VOC Volatile Organic Compound) and IAQ (Indoor Air Quality). Because the pressure varies with altitude, The sensor can be used to measure estimated altitude. Using …

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SHT3x – Temperature and Humidity Sensor

In this blog we look at the Sensirion SHT3x Temperature/Humidity sensors are some of the finest & highest-accuracy devices you can get. And, finally we have some that have a true I2C interface for easy reading. The SHT30 sensor has an excellent ±2% relative humidity and ±0.3°C accuracy for most uses. Unlike earlier SHT sensors, …

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Happy New Year 2022

Year 2021 will go down in history as one of the worst in recent memory. It has been pretty eventful, to put it lightly. With the pandemic being the dominant problem, punctuated by a lot of calamities, the year felt like it came by fast and slow at the same time. For most of us, …

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