In this tutorial, we will learn how to use this BH1750 light sensor and build a simple DIY lux meter.BH1750 is an ambient light sensor,…
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MCP4725 Tutorial with Arduino and ESP-board (NodeMCU)
As We knew that we can’t just generate analog voltage using most microcontrollers. To generate variable output we usually use the PWM which stands for…
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How to use a Water Flow Meter Sensor (Make Water Meter with Arduino or ESP8266)
In this tutorial, I will examine How to use the Water Flow Meter Sensor YF-S201 with Arduino or ESP-based boards like NodeMCU, How it works,…
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PZEM Sensor Tutorial (Read current, voltage, power factor, power, frequency on Mains)
PZEM-004T is a very complete sensor module, it has current, voltage, power, power factor, frequency, and even an energy meter. In this tutorial, we are…
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Photoelectric/Infrared Proximity Sensor Tutorial
In this tutorial, I will examine about photoelectric switch or usually called an infrared proximity sensor.This sensor has more distance range and more stable compared…
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Infrared Sensor Tutorial with Arduino and NodeMCU
This is a very popular infrared sensor since it is easy to use and very cheap. Most Arduino learning kit even has this sensor. This…
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Add More Pins to Your Arduino With PCF8574
Imagine you build a project and then you just run out the pins. You need more pins for your project to drive something. We will…
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ACS712 Current Sensor with Arduino Tutorial (Sensing DC and AC Current)
ACS712 is a hall effect current sensor. Hall effect will convert the magnetic field created by the current that flows through the sensor to voltage…
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Keypad with arduino tutorial
In this tutorial, we will learn about Keypad. I will explain how it works, how to use it with an Arduino, then display the key…
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Build Tachometer or RPM counter using Optocoupler with Arduino
In this tutorial, I’ll explain how an optocoupler works and how to build a tachometer or rpm counter using an optocoupler with Arduino.
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