J.F.Drew © 2000-2013

Projects by John F Drew Site map

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VK5DJ

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Users of some mobile devices may lack a mouse hover system to access the menus of the site. This page allows single click access to sub-menus.

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Home



Gallery



Projects

Beam controller

Beam controller features



Az-El Unit



AS5040-45



MA3-P12



HH-12



Optical 16 bit encoder



Optical encoder SEI



SCA61T



Potentiometer



Screwjack



Large Display



Interface



Yaesu



Magnetometer



Internet operation



Hardware clock



PWM speed control


Weather APRS



Repeater controller

Repeater features



Controller for solar power



Record and Playback



Voice Identifier


GPS Clock



Satellite system



Transistor tester



Two metre receiver



Photos



Remote control



Beacon remote control



WTI-1 beam interface



Frequency synthesiser


Software

Yagi Calculator

Yagi photos



Bird proofing



Bender


RD Contest logger



Moon tracking



Orbitron interface


Downloads

Doug VK3UM software


Contact me



Links

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