Pulse Heart Rate Sensor Tutorial
This is tutorial on how to use very cheap and popular pulse heart rate sensor. But is this sensor worth? Let’s try with an arduino.…
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DS1302 RTC with Arduino Tutorial
So why need an RTC? Is the Arduino has its own clock? Yes, but that’s not that accurate plus when Arduino goes off it can’t…
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Easy Pulse Sensor with Arduino Tutorial
Easy pulse sensor is one of most accurate heart rate sensor I ever used for non medical application. It is very simple just plug and…
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How to drive a stepper motor easily using A4988 and Arduino
Driving a stepper motor used to be complicated enough when we have to build a driver by ourselves. But since there are many kinds of…
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MLX90614 distance range text and distance extension
In the video below I experimenting to test the distance range of the temperature sensor MLX90614. I measure the temperature of an object every 1…
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SIM800L Troubleshooting guide – Solution when you have problems with SIM800L
This article is referenced to video on our youtube channel below : Wiring Diagram This is the sketch used to forward serial data from the…
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Multiple LORA clients with a Server communication
In this tutorial, I will show you how I make communication between many LoRa clients to a LoRa server. In the video, I try to…
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How to use MAX7219 LED matrix (running text, display sensor data, add more LED matrix with Arduino)
In this tutorial we will learn how to use MAX7219 LED matrix with an Arduino. We will try to print text, Give the text an…
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How to use PT100 RTD Temperature Sensor with ardino
On Proceed PT100 is an RTD. RTD is Resistance Temperature Detectors. From it’s name we can guess how the sensor works. This sensor works by…
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How to use KE-25 Oxygen Sensor with arduino
In this tutorial I will tell you how I read an KE-25 oxygen sensor with arduino. This sensor is self generated voltage, so it doesn’t…
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