Browsing All posts tagged under »arduino uno«

Arduino Ethernet shield and Python socket

June 14, 2015

1

I started playing with an Ethernet shield for Arduino that I bought at a faire. I noticed that the shield itself is not original, but it’s a clone of the Arduino Ethernet Shield version 5.0, also identified as revision 2. The shield provides Ethernet connectivity and has an SD card slot to provide non-volatile memory […]

Using a rain sensor with Arduino Uno in C

December 23, 2014

10

An application written in C that interfaces a rain sensor to Arduino Uno by reading digital and analog signals, and visualizing the levels on a PWM-driven LED and a serial terminal.

Drawing on a 7×5 LED matrix with Arduino in C

November 15, 2014

0

In my component drawers I have a LTP-7357AG, which is a matrix of 35 green LEDs conveniently packaged in a 12-pin display. I wanted to play with it so I began to hook it with my Arduino Uno. This post is part of a series about programming Arduino applications in C. I’m going to show the results first, […]

Programming Arduino Uno in pure C

March 29, 2011

136

We look under the hood of Arduino IDE, and use the avr-gcc compiler directly to build a program in C. We then use avrdude to upload it on Arduino Uno board.

Taking a look at Arduino schematics

January 23, 2011

3

Out of curiosity I wanted to check some Arduino board schematics. The Arduino Uno is one of the newest boards and is also quite simple; its open source schematics can be downloaded from here(zip file). There are two files: a board layout file and a schematics file. They can be opened with the free (but […]