Tutorials

Tutorials

How to measure Current using ACS712 Current Sensor and Arduino

Introduction Acs712 current sensor interfacing with Arduino for AC and DC Current Measurement. In this tutorial, you will learn how to interface ACS712 hall effect current sensor with Arduino? And How to measure DC Current using asc712 hall effect sensor and how to measure AC Current using acs712 hall effect sensor. It is necessary for […]

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Tutorials

Getting Started With 4 – 20mA Signal Generator Part-2

In part 1 we will already explain what 4-20mA signal and Technical specification and their applications. Now we are going with other features of a 4-20mA signal generator. How to set Fine and Coarse Adjustments? The Coarse Adjustment means it covers the Entire range from minimum to maximum, In contrast, the fine adjustment only covers

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Tutorials

Getting Started with 4 – 20mA Signal Generator Part-1

What is a 4 to 20ma Signal? 4-20mA Signal is commonly used to connect process signals to controllers in industry-grade applications and is a common signal to convey the sensor data. It is basically a current signal which varies from 4 to 20mA depending on the sensor output. Current is used to transmitting the sensor

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Tutorials

Arduino vs Raspberry Pi: Differences and Applications

Both Arduino and Raspberry Pi are two popular platforms for electronics development among DIY builders, hobbyists, and even professionals. You would have come across them in numerous DIY and Industrial projects everywhere. If you want to know what they are, their differences, advantages, applications and specify which one to use in your next project then

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Tutorials

Getting started with DHT22 Humidity and Temperature Sensor using Arduino

This article will discuss interfacing DHT22 sensor and Arduino, but if you are here to find out about failed to read from the DHT22 sensor error, click on the link to go to the section directly. What are the DHT11 and DHT22 Sensors? The DHT11 and DHT22 sensors are used to measure temperature and relative

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Tutorials

How to Build a WiFi Smart Oximeter using MAX30102 and ESP32

In this tutorial, I will explain step by step how to build your own WiFi Based Smart Oximeter using MAX30102 and ESP32. The project is simple and easy to build. You only need two components – ESP32 and a MAX30102 Sensor. You just attach the sensor to your fingertip and you will be able to

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Tutorials

Using the R503 Finger Print Sensor with K216 Controller

This article will discuss how to control the R503 fingerprint sensor with K216 controller and a remote. What is the R503 Fingerprint Sensor? R503 is an industrial grade fingerprint sensor, this sensor reads fingerprints when placed on the face of the sensor and stores them. When a stored fingerprint is scanned again, it can be

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Tutorials

Using the MAX30102 Pulse Oximeter Sensor: Part 2 – Getting Accurate Readings

In the last part of this article, we explained how to use the MAX30102 Pulse Oximeter Sensor with the Arduino. You can read it here. In this article, we continue from the previous article and how to improve the readings to get stable readings from the sensor. How to get accurate readings from MAX30102? The

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