AS31 is a free 8051 assembler originally written by Ken Stauffer. Versions of AS31 found here include important bug fixes and added features, such as standard intel-hex output format for use with PAULMON2 and EPROM programmers. AS31 is a good tool for bui
http://www.pjrc.com/tech/8051/#as31_assembler
This is an introduction for people who want to programming in assembler language. By University of Guadalajara
http://thsun1.jinr.ru/~alvladim/man/asm.html
http://ourworld.compuserve.com/homepages/Bill_Bowden/page12.htm#flipflop.gif
http://www.emclab.umr.edu/pcbtlc/asm-strip.html
A tutorial on Video over ATM presented by the Int'l. Engineering Consortium
http://www.iec.org/online/tutorials/atm_fund/topic08.html
http://ch.twi.tudelft.nl/~sidney/atari/
Freeware, Version 7.2, program for designing and analyzing telescope configurations.
http://www.atmos-software.it/Atmos.html
8 inch Dobsonian, reflex sight, barndoor mount, quadrant, and sight tube, and images..
http://www.geocities.com/kendurkin/AstronomyPage.html
homebrew attenuation pads, describes Pi style attenuator pads for 1 dB, 2 dB, 4 dB and 8 dB attenuation, also step attenuator circuit, also includes Pi and T Network Resistive Attenuation Calculator
http://www.qsl.net/n9zia/wireless/appendixF.html#4
for testing TTL circuits
http://home.maine.rr.com/randylinscott/feb99.html