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 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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Arduino Capacitive Sensor: Single Pin Touch Sensing

Arduino Capacitive Sensor: Using Internal Hardware with no extra components, for touch sensing. Whaaaatttt?... How is this Magic performed?

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Arduino ADC: Everything you Must Know about the Built-In ADC

How does the Arduino ADC work? Should you use 1023 or 1024 in your calculation? Find out the sample rate and how to use the voltage reference.

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Arduino ISP: Recover Dead Arduinos using a Free ISP.

Arduino ISP: Easily burn the bootloader back into an Arduino with an ISP programmer. Don't buy an ISP programmer; use another Arduino as a Free ISP.

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Arduino Scrolling Display: Easy code for Your scrolling Graph

Unlock the secrets of Arduino scrolling displays! This beginner-friendly guide shows you how to create real-time, dynamic graphics using an SSD1306 OLED, perfect for tracking sensor data and building interactive projects.

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Arduino Uno specs: Everything you need to know about the Uno.

Arduino Uno Specs: Easily understand your Arduino Uno. Learn about all internal modules and use each of them the right way. Plus FIVE unused features!

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Arduino Nano PWM pins

Arduino Nano PWM pins: Eight things you must know about PWM pins including how they affect timers.

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Learn How to Use the DHT22 with an Arduino; Full code examples included

How to get accurate DHT22 digital humidity sensor readings with an Arduino. Did you know it also measures temperature as Well? Find out why, in this page...

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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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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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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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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 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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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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