Wednesday, April 26, 2006

aircables

Suppose you want wireless digital IO with a range of perhaps 100M...

This UK product apparently includes servo-control, digital IO, and serial communications
A complete wireless
control solution
https://www.totalrobots.com/access_files/wcm.htm#ircm


If you're using a Stamp...


IR Buddy Pair Price: $49.00
or

Parallax 433 MHz RF Transceiver Package - BACKORDERED
[Larger image] Stock#: 28180 Category: Accessories-RF
Parallax 433 MHz RF Transceiver Package - BACKORDERED
Price: $109.00
Weight: 0.4 lb.

DESCRIPTION:
Expected to Ship: 05/05/06
New for 2006! Parallax produces our own RF modules from products made by the wireless module leader, Linx Technologies. The Parallax RF modules provide a very easy and low-cost method of sending data between microcontrollers or to a PC from 500 ft+ line-of-sight (depending on conditions). This transceiver package comes with two receivers and two transmitters, everything you need for bi-directional communication!

Downloads:
433 mHz Parallax RF Transmitter Manual (.pdf)
433 mHz Parallax RF Receiver Manual (.pdf)


replacing a USB cable ...

Our AIRcable Industrial with a longer 9dBi antenna can do that.
See: http://www.aircable.net/industrial-male.html
and http://www.aircable.net/support-antenna-range-calc.html
Use a class 1 Bluetooth dongle on the PC.


If bridging a serial connection...
Radio / Wireless

ERKIT-900TS+RS http://www.saelig.com/miva/merchant.mvc?Screen=PROD&Product_Code=RW013&Category_Code=RW

ER900TS + RS EVALUATION KIT - 900MhzERKIT-900TS+RS




and then there's gumstix with cfstix and wifi (or something, its hard to tell)
http://list.dprg.org/archive/2005-May/027769.html

Make Movie Festival:

Make Movie Festival

These videos were found in our collective archives and needed to be included in a list of Maker Movies:

Tuesday, April 25, 2006

The Ladybag
Purse Won't Let You Forget Keys
http://dsc.discovery.com/news/briefs/20060417/handbag_tec_02.html

obscure mac tweaks x11 dashboard etc.

Not for the first time, I'm tweaking my mac.
In the course of doing it I've re-discovered a few tricks.
(Thanks http://tazman.princeton.edu/osx/)

Disable dashboard
defaults write com.apple.dashboard mcx-disabled -boolean YES
killall Dock

for X11
I used RCenvironment from
www.rubicode.com/Software/RCEnvironment/
to set DISPLAY to :0.0

Friday, April 07, 2006

http://www.makezine.com/extras/49.html

Make a Powerbook in to a Wi-Fi access point using Evdo

by Phillip Torrone
November 21, 2005

Editor's note: This How-to was originally posted in the MAKE blog.

In Make volume 03 we showed you how to make a "StompBox" - a device that uses a high speed EVDO wireless access card and Wi-Fi to create a mobile wireless access point. The StompBox centered around a 12VDC-powered embedded computer, but if you have a Mac Powerbook with PC card slot and a EVDO card, you can make the same kind of thing, broadcasting free Wi-Fi for anyone around! Here's how...

Tuesday, April 04, 2006

3D Mouse

3D from a mouse.







Hmm, one mouse, 3 inputs and a protocol....

http://neil.fraser.name/hardware/3d-mouse/overview.jpg