A very interesting feature of Arduino is the great avalaibility of library that make the developer work very simple and fast.Make a Web Server, a Web Client or post a Tweet haven’t difficulty. Try to do the same application with the Microchip’s Stack TCP/IP…. It’s not impossible but for beginner developpers is of course hard. With the Ethernet shield or WiFi shield you can connect your application to the internet world, get information, send email, post data…
Post data? But where? Some site host your data with graphics like the famous Pachube, I also use this service for my projects. But in some case could be useful have the data in a spreadsheet to do operations and evaluate numbers. In this post I want explain the best way to send data on Google Spreadsheet.
How to send data from Arduino to Google Docs Spreadsheet - [Link]
Open-electronics.org puts a PERSONAL SCOPE HPS50 by Velleman as a prize to the first person that writes a sketch for TiDiGino: the New GSM remote control Arduino based. TiDiGino mount a ATMEGA2560 chip and can be programmed by the Arduino IDE. The TiDiGino library manages the GSM of TDGINO to write easy a sketch.
TiDiGino Contest - [Link]
András Veres-Szentkirályi found an old CGA monitor and wondered whether it could be repurposed for use with an Arduino. He noted that CGA monitors use inexpensive DB-9 connectors, the signals are TTL (0-5V digital), the
clocks are in the range of cheap microcontrollers (HSYNC is 15,75 kHz, VSYNC is 60 Hz), and yet 640 by 200 pixels can be drawn in 16 colors.
He dug through old technical data on CGA and worked up the necessary code, posting the results on his blog.
He believes further development is possible to clean up the timing, so his next step will be to use plain AVR C/C++ code to avoid Arduino overhead allowing finer control over the timing. He would also like to create a character map in the Flash (PROGMEM) and code up a library that would allow the display of text or simple graphics.
Arduino driving CGA display - [Link]
LabVIEW Interface for Arduino Thanks Jose!
The LabVIEW Interface for Arduino (LIFA) Toolkit is a FREE download that allows developers to acquire data from the Arduino microcontroller and process it in the LabVIEW Graphical Programming environment. For more information, check out the Getting Started with the LabVIEW Interface Toolkit video tutorial from VI Shots.
LabVIEW Interface for Arduino – [Link]
Following the announcement here:
The Zigduino is a pin and code compatible OSHW Arduino variant based around the ATmega128RFA1. This gives it a number of useful features above and beyond a stock Arduino:
- Built-in 802.15.4 transceiver
- Hardware AES-256 encryption module
- 128K of flash
- 16K of RAM
Zigduinos for Sale - [Link]
Oleg writes: [via]
What started as a quick re-factoring effort transformed to a major redevelopment, but finally all pieces fit together tightly and I am pleased to announce that initial release of USB Host Shield library ver.2.0 has been posted to github.
Some of the major improvements include the use of only 5 Arduino pins, 3.5x faster low-level transfers, and the ability to use USB Hub(s).
Make sure you stop by Circuts@Home to check out the full details like the current/future supported device classes and supported hardware versions .
USB Host Shield library Version 2.0 – [Link]
Jersagfast writes -
I always have loved Apple and their non-jerky, fluid like GUI in all of their OS’s. Then I noticed it even with their hardware when I got my MacBook Pro over 3 years ago. My older PC’s always had a flashing sleep LED. That was fine until I saw the “breathing” LED pattern that Apple did on the Mac products. Much nicer. I saw these awesome cufflinks with the same “breathing” pattern, and got inspired to write a little Arduino sketch to replicate it. So I did.
“Breathing” Sleep LED – Arduino cufflinks - [Link]
Arduino has an analogWrite function. But how do you convert a PWM signal to a voltage?
It covers basic PWM, changing your PWM freqency, and and to design a simple R/C filter, including making use of some great online tools.
Arduino’s AnalogWrite – Converting PWM to a Voltage - [Link]
Earlier this week we posted about Carlos Agell’s project which allows the acquisition of analog camera images by an Arduino. Carlos has updated this project for use with a Processing sketch instead of the costly LabVIEW required in the original design.
Update on Arduino imaging – Processing sketch + video – [Link]
From MITNews: [via]
This week, the Isle of Man was buzzing — not just with anticipation for its yearly Isle of Man TT Race, one of the most treacherous in motorcycle racing, but also with the decidedly subtler sound of electric bikes cruising through the racecourse.
A group of MIT students led by PhD student Lennon Rodgers was among 32 teams who entered this year’s all-electric race, bringing their custom-designed eSuperbike to the famous competition on the small island located between Ireland and Great Britain. Several practice and qualifying rounds whittled the field down throughout the two weeks leading up to the race; on Thursday afternoon (June 9) the team’s motorcycle hummed across the finish line, coming in fourth with an average speed of 79 miles per hour.
“It was a great experience,” Rodgers says. “I think the teams with the most reliable motorcycles were able to finish … we focused on reliability, and that’s what saved us in the end.”
The brains of the bike are housed in an Arduino circuit board, which monitors data including the amount of energy used and the temperatures of each motor and battery. A screen on the dashboard continuously displays readings, allowing the rider to adjust the speed to conserve energy if needed. As a backup, the team made the system wireless, streaming data from the bike to their laptops — a modification the team’s rider, veteran Isle of Man racer and resident Allan Brew, appreciated.
“If anything, we had to limit the amount of information we give the rider, because he’s got so much to think about,” Rodgers says. “In fact, he said he didn’t even want a speedometer, he didn’t want to know, he just wanted to go full throttle.”
Arduino-Controlled Electric Motorcycle on the Manx TT Circuit – [Link]