Tutorial
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HC-SR04 (ultrasound) vs Sharp GP2Y0A02YK0F (IR) vs VL53L0X (Laser), which solution to choose for distance measurement with Arduino or Raspberry Pi

We will compare the three proximity sensor technologies that make distance measurement possible. HC-SR04 by ultrasound, Sharp GP2Y0A02YK0F by infrared and ...

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Test and Calibrate Sharp GP2Y0A02YK0F Asian Clone proximity Sensor

The Sharp GP2Y0A02YK0F Proximity Proximity Sensor allows distance measurements between 20cm and 150cm. It is quite easy to get an Asian clone rated A02YK0 for ...

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Test the IDE XOD, develop Arduino projects without programming by assembling blocks

Last June, I introduced you to XOD, a new Open Source project for Arduino programming without Scratch's cousin block assembly programming. In a few months, the ...

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BH1750 (GY-302), measure the lighting quality of your home (Arduino / ESP8266 / ESP32)

The GY-302 from CJMCU is an I2C board that allows you to measure the amount of light using the BH1750 photodetector. We will use the ...

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Calculate the Air Quality Index (IAQ, IQA) with a DSM501 on Arduino or ESP8266

The Air Quality Index (IAQ) is fairly easy to determine using an Arduino (or ESP8266) and a DSM501 sensor. The DSM501A is a detector ...

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Install the Arduino IDE (1.8 or higher) on Linux (Ubuntu 16.04 or later)

The Arduino IDE is available on major operating systems and of course on Ubuntu or any other Linux distribution. The Arduino IDE is ...

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How to display text, image and animation on an OLED screen SSD1306 I2C 128×64 0.96 “with an Arduino

In this tutorial we will learn how to cable and display text, images and small animations on a monochrome 0.96 '' SSD1306 monochrome OLED with an ...

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Install Arduino IDE for Linux ARM (Raspberry Pi, Orange Pi, Odroid …)

The development cards Raspberry Pi, Orange Pi (and all others based on SoC ARM) lend themselves very well to the development of Arduino projects. We will see ...

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Tutorial : How to program the CJMCU ATTiny85 (LilyTiny / LilyPad)

The CJMCU card is a small card intended for Wearable projects based on the ATTiny85 chipset (technical documentation from ATMEL). In this article, we will ...

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MQ2: gas and smoke detector (Arduino)

The MQ2 is a sensor that allows gas or smoke detector at concentrations of 300 ppm to 10,000 ppm. After calibration, the MQ-2 can detect various gases such as ...

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BMP180 (Arduino): how to create a numerical barometer sensor

The BMP180 is a sensor that can measure atmospheric pressure and temperature using your Arduino or Raspberry Pi very simply. BMP180 is the ...

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Measurement of humidity and temperature on Arduino (DHT11 / DHT22)

The sensors of the DHT series (DHT11, DHT21, DHT22, DHT33, DHT44) measure the humidity and temperature of the ambient air using your ...

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