Tony van Roon VA3AVR has built Circuit Land. This site is as old as the html web internet, means 1995. Earlier it was a part of a Canadian University Site, when i discovered it in late niceties..
Schematics, Hobby Projects, Tesla, Marconi, 555, Metal Detecting, Electronics-Tutorials and a lot more..
- Morse Code Practice Keyer,
- Constant Current Charger
- Touch Activated Alarm System
- Miniature FM Transmitter
- Continuity Tester, Smart
Tutorials on Photosensitive Devices, Transistor Tutorial, 12 parts, Opamp and Digital Tutors. Compeonet Testing Methods. Basics of Batter Charging, LEDs and Relays too.