Issue 114 January 2000
Reach Out and Touch
Designing a Resistive Touchscreen

SOURCES & PDF

Download the PDF of this article.

Tom Dahlin is a published author who runs a consulting business where he has developed the electronics for products such as a Talking Trash Compactor used in the fast food industry, an automated french fry dispenser, and (don’t laugh) a pig sperm heater/controller for the animal-breeding industry. Tom has 20 years of design engineering experience at 3M and Honeywell, and was most recently director of electronics engineering at Stratasys, a manufacturer of 3D model-making machines. When it really gets crazy he likes to retreat to his cabin in Michigan’s Upper Peninsula. You can reach him at tdahlin@isd.net.

REFERENCES
D. Blass, Touch Screens for Flat Panel Applications, Sharp application note, January 18, 1996.
V. Kuroodi, Pen Input Capability for Portable Devices, TriTech Microelectronics application note, 1996.

SOURCES
TR88801/802 4-wire controllers
TriTech Microelectronics Int’l Inc.
(408) 894-1900
Fax: (408) 894-1919

ADS-7843/-7845
Burr-Brown Corp.
(520) 746-1111
Fax: (520) 889-1510
www.burr-brown.com

Touchscreen glass
Bergquist Touch Products
(800) 796-6824
(612) 835-2322
Fax: (612) 835-4156
www.bergquistcompany.com

Microtouch Systems Inc.
(800) 642-7686
(978) 659-9000
Fax: (978) 659-9105
www.microtouch.com

PIC16C71
Microchip Technology, Inc.
(888) 628-6247
(480) 786-7200
Fax: (480) 899-9210
www.microchip.com

Basic Stamp
Parallax, Inc.
(916) 624-8333
Fax: (916) 624-8003
www.parallaxinc.com