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 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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Arduino delay function: Why you need it and How to Use it

The Arduino delay function is an Extremely Useful function which you can use to get small delays. However, sometimes it's not the right function to use � there is another!

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Code an RGB LED Like a Pro: An Arduino Programming Tutorial

Control the colors of an RGB LED through Arduino code. This beginners guide covers connections and provides example sketches for interesting LED control...

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How to create a 3 component Arduino IR proximity sensor without KY-032

Tired of wasting time trying to get the notoriously bad KY-032 IR sensor module to work reliably? How to use a 3 component substitute that actually works!

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Secrets of Arduino millis: How it works and how to use it.

How to use Arduino millis to make Delays, One-Shots and simple Schedulers plus analysis of millis code; Plus - Find out why it Lies (a bit)!

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How to Use a PIR Sensor for Motion sensing using Arduino

A PIR sensor lets your Arduino sense movement without contact. This tutorial covers PIR sensor basics, connecting one to an Arduino board and coding a motion detector.

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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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PCF8574: Is this the Simplest I/O Expander Ever?

PCF8574: How does this device work with no Internal Control Registers? Yet it allows a processor to Read, or Write each pin very easily. Find out its Secret Here.

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TP4056: Your Essential guide to the LiPo Battery Charger IC

Learn how to use the TP4056 properly. There's a right way, and a wrong way for safe charging of Lithium Ion batteries with this chip.

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Arduino For Loop - How you can use it the Right Way.

Arduino For Loop: Easily repeat blocks of code saving processor memory and simplifying access to array data. How to Easily Avoid off by one errors.

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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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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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