Was building a simple Rotary Encoder for the ARP platofrm yesterday. Could not find a simple tool to generate the pattern according to my needs, there were some POstscript based tools but they did not work on WIndows.
So here is my little script to generate it ...
PHP Code:
header("Content-type: image/gif");
$size = isset($_GET['size'])?intval($_GET['size']):200;
$size1 = isset($_GET['size1'])?intval($_GET['size1']):0;
$count = isset($_GET['count'])?intval($_GET['count']):10;
Looking for something really fast for your robot and with minimal size and power requirements . This baby can do Full HD and run Windows 7 . Just add a Webcam and a USB servo controller and ur taken care for.
Takes 12V DC and with just 7 Watt of fanless operation .
fit-pc 1 is even smaller !!!
Go check there site -
http://www.fit-pc.com
I wanted a single sided motor shield which would allow me to control a few servos and 2 DC Motors. All this while allowing easy sensor interfacing. The shield had to be single sided and DIP for DIY.
The shield given below is the result for the same.
Attachment 205
Some Features -
Ideas for improving it are welcome ...
- Dual DC Motor support with PWM
- Servo motor support
- DIY Single sided PCB
- Easy sensor interfacing
- Stackable
Just Visited DefExpo Today , All types of Unmanned robots on display. There were live Demos also so it was a good, nothing beats real life .
DRDO too has some really impressive UAV stuff on display, dont know why the forces not using all of it. Also many Indian companies building robots , unlike what i thought. One company from Himachal Pradesh too!!!, never expected that. Also saw PackBot and Talon in real life.
Good Experience in all, pictures say more than words so
These Days im building a Balancing Robot so here are step wise how to interface a arduino to Accelerometer and Gyro
Things ive used
1. ATmega8 Arduino ( ARP 1.0u)
2. DIY Proto Shield
3. 3.3V Zener + 330 Ohm for 3.3V supply
4. Triple Axis Accelerometer Breakout – MMA7260 ( @Sparkfun )
5. Gyro Breakout Board – LY530AL – 300°/s ( @Sparkfun )
The Gyro and Accelerometer were bought from Feemo India , as i found them the cheapest retailers
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