electronics 
- Amazon.com: Edirol R-09HR High-Resolution WAVE/MP3 Recorder
- Based on the reviews, this is the much improved version of the R-09. $310.00
- | Jun 8, 2009
- Amazon.com: Zoom H2 Handy Portable Stereo Recorder
- Very good reviews. Similar in features to the Edirol but is half the price, $155.00
- | Jun 8, 2009
- 5 to 30 Minute Timer
- | Feb 18, 2009
- Automatically Repeating Interval-Timer Circuit
- This timer is for longer intervals - up to 24 hours.
- | Feb 18, 2009
- Ramsey Electronics - Velleman 1A Power Supply Kit
- LM317 Adjustable output, $12.95, no heatsink, $10 shipping
- | Feb 16, 2008
- Circuit Specialists - KIT 60 - 3 Terminal 78xx Regulated Power Supply Kit
- $12 + $11 shipping, no PayPal
- | Feb 16, 2008
- Electronic Project Kits - 78xx Regulated Power Supply
- $10 + $9 shipping, no PayPal
- | Feb 16, 2008
- Digital Intervalometer
- Homemade kit using (2) 555 timers, a relay, and a 7808 for power regulation.
- | Feb 10, 2008
- Universal Voltage Regulator Kit
- kit using a 7808 for 8V output.
- | Feb 10, 2008
- Parts Express:Velleman 1A 1.5V-35V Power Supply Kit
- Uses a LM317, kit is $12.90 plus $9 shipping, no PayPal
- | Feb 10, 2008
- Kit 60 - Regulated Power Supply
- User supplies a standard 3 pin voltage regulator from 5 volts (using a 7805) to 24 volts (7824). Large heatsink included. $11 BUT $14 for shipping!
- | Feb 10, 2008
- Kit 60 - 3 Terminal 78xx Regulated Power Supply
- Another site with the same kit. $11 BUT $11 for shipping and $200 minimum order outside of Canada!
- | Feb 10, 2008
- Strobo controller
- | Feb 9, 2008
- Simple 5V power supply
- A schematic for using a 7805 for 5V or a 7808 for 8V.
- | Feb 9, 2008