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Arduino Bare Basics

On this page I am listing a series of small no-frills Arduino projects: get a sensor, display, procedure, protocol, running things. These projects are meant to kick-start beginners who need a simple explanation and a simple sketch to get started with their Arduino project.

project 3: Arduino passing temperature readings to a neighbor Arduino: three ways of serial communication

project 2: Using the I2C expander for 16×2 and 20×4 LCD displays

project 1. Bare DHT11 temperature and relative humidity sensor