Please Remember:
New circuits are updated regularly and listed in date order on the update page. If you have problems try my help page and remember that most circuits on this site use SI Notation. Due to the volume of email that I receive each day, I regret that I can only answer questions about circuits featured on my site. You may find the Circuit Index useful.

For help or to submit a circuit please email me

1. Infra Red Remote Control Extender Mark 1
2. Infra Red Remote Control Extender Mark 2
3. Infra Red Remote Control Extender Mark 3
4. Infra Red Remote Control Extender Mark 4
5. Infra Red Remote Control Extender Mark 5
6. Which Remote Control Extender do I build ?
7. Parallel PC Interface NB:- This is an external Link to the Scumari Technology site.
8. Multi Launcher for model rockets
9. Infra Red Switch
10. Model Rocket Launch Controller by Matthew Hewson
11. IR Link by Ron J
12. IR Modulation Detector
13. R5000 Receiver Interface
14. IR Extender using PIC Micro-Controller External Link to Pete's world
15. Electric Curtains
16. A Passive Ethernet Hub by Miroslav Adzic
17. Small Home Controller by Peter Addante
18. Infra Red TV Extender by Guy Bocquillon
19. Computer Output Interface
20. 3 Digit Display Scoreboard by Milardo de Guzman
21. Constant Motor Speed Control
22. Infra Red Remote Control Extender Mark 4A by Steve Jackson
23. Internet Streaming Recording Aid by Rodney Byne