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Archive for the 'arduino' Category

Monday, January 14th, 2008

arducopter

One of the reasons I designed my own Arduino clone is so that people who wanted to design wearable or portable (ie small/lightweight) projects would have a nice and slender alternative.
jordi’s original helicopter used an Arduino Diecimilla, but for weight reasons he decided to go with a Boarduino for rev 2, but even that didn’t get away without a lot of hacking….

arducopter regulator

Check out his YouTube videos for progress reports…

(via hackzine)

Thursday, January 10th, 2008

tiltmouse1tiltmouse2

Magician13134 got an Arduino starter pack and has been going all out with hacking! He designed this Arduino 3-axis tilt-mouse using an accelerometer breakout from Parallax (now available from Radio Shack) and some windows programming skills. Then he etched his own PCB, doing the layout in MSPAINT! How hardcore is THAT?

Check out the project as it unfolds, at the ladyada.net forums

tiltlayout tiltmouseetch

Thursday, December 6th, 2007

J4mie used two continuous rotation servos with his boarduino to make a cute robot! I like the use of the horns as legs…

Want to make something using a boarduino kit? They’re in stock at the adafruit shop!

Thursday, November 1st, 2007

Will the blinky ever stop? No! Not while I have tutorials to write.

This tutorial will teach you about switches and buttons, inputs, pull up and pull down resistors, debouncing, if and if-else statements and in the end you will build your own LED bike light, just like the ones you see in stores retailing for $25.



Click here to read this fun fun fun tutorial!

Thursday, October 25th, 2007

I threw some pre-release toys at TodBot to play with, and he rewards with a fun little project combining a Wii accellerometer and a standard servo.

His videography quality is disturbing, and makes me look bad! Check out more about the project including a nice video, on his todbotblog.

Wednesday, October 10th, 2007


Ready for more Arduino tutorials? I’ve crawled out from under a pile of kits and finished up #4! This lesson will teach you all about sending data from the Arduino to the computer. You’ll also learn how to crunch numbers and juggle data. You can also watch as I make awful diagrams using Visio! Check it out here!

Haven’t checked out the tutorials? They are waiting patiently for you!

Monday, October 1st, 2007

I got these PCB’s last week and now the webpage for it is up & kits in the shop! This is a nifty little Arduino clone kit. With an FTDI USB cable, it is pretty much just like an Arduino but can be plugged into a solderless breadboard for prototyping ease.

Read more about it on the Boarduino project webpage

Specifications:

* Designed to plug into a breadboard for easy prototyping
* Petite size, only 3″ x 0.8″ (75mm x 20mm)
* All ’standard’ pins are brought out - Digital 0 thru 13, Analog 0 thru 5, ARef, 5V, Ground, Vin and Reset
* Chip comes preprogrammed with my “no-wait” Arduino bootloader
* 2 LEDs, green power and red “pin 13″ just like the Arduino Diecimila
* Available as a low cost kit with standard parts, so its never out of stock
* All through-hole parts are easy to solder
* Reset button
* ATmega168, running at 16.00 MHz, just like the NG and Diecimila
* 6-pin standard ICSP header
* Standard 2.1mm DC jack (just like the original) with 5V regulator to run on 7V-17V power
* 1N4001 diode protects against using incorrect wall adapter
* 6-pin header at the end for a USB-TTL cable
* Auto-reset capability when used with a USB-TTL cable

Friday, September 21st, 2007

One of the nice things about the Arduino boards & software is they let people get started hacking electronics fast. However, I was looking for a good step-by-step tutorial that helped people with almost no experience through the first few steps of microcontroller programming and basic electronics design. At the same time, I’d been flipping through Parallax’s excellent “What is a Microcontroller” workbook and decided to start writing something similar.

So check out my Arduino Tutorial page and give me feedback! Right now I’ve got 3 lessons up, and will try to get a another 3 out in the next week and a half.

  • Lesson 0
    Pre-flight check…Is your Arduino and computer ready?
  • Lesson 1
    The “Hello World!” of electronics, a simple blinking light
  • Lesson 2
    Sketches, variables, procedures and hacking code
  • Lesson 3
    Breadboards, resistors and LEDs, schematics, and basic RGB color-mixing

At the end of lesson three, you build a mood lamp!

Friday, September 21st, 2007

Today is a crazy day, there’s tons of new stuff the the Adafruit shop.

First off, I have more Arduino boards in stock. Hopefully they will last more than a week.

Second, the protoshield PCBs are in! Hooray! This is a really nice protoshield for NG/Diecimila Arduinos


Nice! Full kits and PCBs are available.

Third, I have an Arduino Starter Pack which is a bundle of stuff that will get you going with Arduino hacking with ease!

There’s an Arduino, USB cable, proto shield kit, tiny breadboard (goes on top of protoshield), 9V wall adapter, 9V battery holder, and a bag of parts that will get you started with my Arduino Tutorial lessons 0-6

Fourth, we have all those fun Arduino accessories in the shop: USB cables, 9V battery holders, 9V regulated wall adapters, small and tiny breadboards, as well as extra Arduino microcontrollers with my “no-wait” hack that speeds up development

Yow!

Wednesday, August 15th, 2007

I installed Arduino IDE 009 since I figured I should learn this stuff if I’m going to sell Arduino’s (and clones)

My project today was to build a simple NPN Hfe (Beta) meter to do some tests on the now ultra-rare 2sc2291 matched pairs. My multimeter has one but I wanted to make sure I was testing with the same setup as the one in the datasheet, with a Vce of about 6V and Ic = 1mA. The results are in the x0xd0x wiki

This is the breadboard circuit I used:

its similar to the one described on the x0xb0x page, but with the op amp swapped around for NPN’s

The sketch is rather small, I just take the two analog measurements, do a bit of math and spit out the calculated beta. I checked this against my meter and it matched up for lower betas (although not for higher ones, which may mean I’ve got current leaking into the opamp)