Electronics Infoline Web

Build An Ion Detector

http://www.corp.direct.ca/trinity/iondetector.html

Build and test an autonomous mini-sumo robot

http://www.engr.sjsu.edu/rkwok/projects/SUMO.pdf

Build These Noise-Canceling Headphones

Theory behind this project is that by picking up ambient sound with a microphone and reproducing it out of phase, we can actively cancel or "null" out background noise.

http://headwize.com/projects/noise_prj.htm

Build your own 9:1 balun

A short explanation on how to make your own 9:1 balun for beverage antennas.

http://www.hard-core-dx.com/nordicdx/antenna/feed/9_1balun.html

Build your own antenna isolation transformer

Isolation between antenna network and TV/radio equipment

http://www.epanorama.net/circuits/antenna_isolator.html

Build your own bypass-capacitor tester

It charges the capacitor under test through 100 kohm for approximately 1 ms and then discharges it through 10 ohm for approximately 40 ns

http://www.edn.com/article/CA183946.html

Build your own DF unit

Building your doppler, pictures and instructions.

http://members.tripod.com/~clearRX/

Build your own K9AY

The performance of the K9AY is miraculous. details on how to construct one yourself.

http://www.hard-core-dx.com/nordicdx/antenna/loop/k9ay/k9ay12.html

Build your own lighting system

includes simple controller circuit

http://www.colomar.com/Shavano/lighting.html

Build Your Own Low Cost Fuel Cut Defencer

The FCD (acronym for Fuel Cut Defencer) is any device that prevents the stock ECU from cutting fuel to the rear rotor when the boost exceeds a preset boost level.

http://www.teamfc3s.org/info/articles/fcd/diy_fcd.htm