The Microcontroller Blog

The microcontroller blog keeps you up-to-date with all additions and changes to the best-microcontroller-projects.com Web site.


Arduino IR Remote: A Beginners Project for Infrared Control

Introducing Arduino IR remote control [Beginners Guide]. How to build a circuit to receive and transmit IR codes through a hands-on project [full code included].

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Adding Arduino RFID reader Scanning to Your Projects

This beginners tutorial gives you a complete step-by-step guide for interfacing an Arduino Uno with the MFRC522 RFID reader module. There is one problem with most circuits out there...

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Arduino Hall Effect Sensor Tutorial: Detect Magnets Easily

Arduino Hall Effect Sensor: Add magnetic sensing superpowers to your Arduino projects with an easy-to-use hall effect sensor. With full code and layout...

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Logic Level Converter: Easily Convert between 5V and 3V

Logic Level Converter: How to create a bi-directional interface that automatically translates voltage levels using a subtle MOSFET property...

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Arduino Ultrasonic Sensors: A Beginner's Guide to the HC SR04

A step-by-step guide to using Arduino ultrasonic sensors for object detection and distance measurement. Details the libraries you need, example code and circuit diagram.

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Arduino Humidity Sensor: A Beginners Tutorial on the DHT11 sensor

Get started with an Arduino humidity sensor using the DHT11, which reports both humidity and temperature. Complete guide with full code for using this sensor

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A beginners Arduino Project to Control an LED with a Button

This beginners guide shows you how to build a simple Arduino circuit to control an LED using a push button. Full connection details and example program included...

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Arduino digitalRead; A tutorial on Reliably reading Push Buttons

In this beginner Arduino digitalRead tutorial you'll learn how to use the digitalRead function to read a button avoiding switch bounce. Full example code and explanation included

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Learn How to Use a Potentiometer to Control the Servo Angle

An Arduino servo with potentiometer beginners tutorial. This easy Arduino project guides you step-by-step through connecting a servo, pot and board to create a position controller.

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BMP280: The many uses for this Pressure Measurement Chip

BMP280: You can use it for Weather but what about Altitude (yes). How about a fast update rate for rise/sink rate (yes). Find out how to do it All here.

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An Arduino potentiometer LED project for beginners: Dim an LED with Arduino

Learn how to build a simple LED dimmer using an Arduino and potentiometer. This step-by-step tutorial teaches the electronics and coding skills needed...

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Arduino light sensor: A beginner's tutorial on DIY light sensing

A beginners Arduino light sensor tutorial showing you how to use an LDR (Light Dependent Resitor) for live light sensing on the serial monitor

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ADS1115: A Low Cost 16bit ADC with Incredible Accuracy

Learn how you can use the ADS1115 precision 16 bit ADC with amazing accuracy. Instantly improve your analog measurements with high resolution capability.

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ACS758: How to measure up to ±50A with this magnetic sensor.

ACS758: Use this sensor to measure super high current safely in the presence of hundreds of volts. Learn how to use this chip safely with any microcontroller.

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Fauxmo: Add Alexa Voice Control to Any of your Projects

Learn to use the Fauxmo library for Alexa voice control of your Arduino projects. Easily Emulate WeMo devices with simple code for custom smart home devices.

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ESP32 vs ESP8266: What's the difference and what should you use?

ESP32 vs ESP8266: Both have WiFi but what are the core differences? Find out speeds, SRAM sizes, +hardware modules (Hint the ESP32 has a lot more!).

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ESP 01 Programming: Complete Setup, Code, and Debug

Learn ESP 01 programming with the Small but Powerful ESP 01 WiFi module, using an Arduino as the serial programmer, Including Examples and Debug help

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INA219: Simple Arduino current measurement up to 3.2A

INA219: How your Arduino can measure 3.2A at 100uA resolution, measuring the voltage and power consumption at the same time, using an I2C chip.

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ESP-01 vs ESP-01S: Which one is right for you?

Confused about the ESP-01 vs ESP-01S? Find out the exact differences between these boards and Learn which one you should use for your next IoT project.

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Arduino PulseIn: How to Measure input High or Low Periods

There are two Arduino PulseIn functions. Which one you should use for best accuracy? Why are there two functions? Why must interrupts be on for one and off...

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