My previous post covers the basics of setting up a Bluetooth connection between an Arduino Uno and an Android phone using the JY-MCU Bluetooth module. We connected the  JY-MCU Bluetooth module to the Arduino via a serial connection on (digital) …

Connecting Arduino Uno and the JY-MCU Bluetooth module using SoftwareSerial Read more »

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Ardiono connected to an Andriod Phone via Bluetooth using the JY_MCU module

The purpose of this tutorial is to cover the basics of setting up a connection between  Arduino Uno and an Android phone via Bluetooth. Smart phones pack a ton of cool features (camera, accelerators, speakers, microphone, a nice screen to show …

How to connect an Arduino Uno to an Android phone via Bluetooth Read more »

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Updated: Arduino Uno controlling an LCD using a shift register

Now that I got my recycled 40×2 character LCD working with Arduino, the next step is to get it to show something useful.  I decided to add it to my Bluetooth Controlled robot  and display data from its two ultrasonic …

Arduino controlled LCD using a shift register and the SPI library Read more »

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A couple of days ago I came across a discarded Meridian PBX phone and naturally, took it apart. Among some of the more promising salvaged components was a 40 x 2 character LCD. There was a ribbon cable attached to …

Controlling a 40 x 2 character LCD with Arduino Uno and the LiquidCrystal Library Read more »

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