Amperage Booster for 78xx's
http://www.uoguelph.ca/%7Eantoon/circ/ampboost.html
LED Voltmeter for car battery by LM324
http://www.elecfree.com/circuit/car-automotive/led-voltmeter-for-car-battery-by-lm324/
Micro-Spy with TTL
http://www.uoguelph.ca/%7Eantoon/circ/uspy3.htm
Lead Acid Battery Charger
http://www.uoguelph.ca/%7Eantoon/gadgets/labc.htm
555 Go No/Go Tester
http://www.uoguelph.ca/%7Eantoon/circ/555test2.htm
12V to 9V with a LM317
http://www.uoguelph.ca/%7Eantoon/circ/ps-lm317.html
Gel Cell Charger, II
http://www.uoguelph.ca/%7Eantoon/circ/bcgla2.htm
Morse Code Practice Keyer, II
http://www.uoguelph.ca/%7Eantoon/circ/morse2.htm
Motorcycle Turn-signal System
http://www.uoguelph.ca/%7Eantoon/circ/motturn.html
AT-121 (3W) to AT-150 (2W) Converter
http://www.uoguelph.ca/%7Eantoon/circ/at121.html
