circuit list locations here is a list i get when i was combing through some microfilm one day here at drexel while completely board most of these circuits are pretty easy to constuct and can be done by a novice this is basically some stuff that could prove useful to you without having to sit down and either design or buy the stuff not a good word but i m tired right now hope you enjoy if you have any additions send them to me and i ll add them to the list they don t have to be from this particular magazine they just have to be interesting radio electronics year month page article name and or discription april car audio amplifier watts may midi light controller light control from music input solid state relay digital altimeter june electronic thermostat february audio sweep marker generator frequency response april line power from volts vdc vac watts june electronic compass august speaker protector sept solid state tesla coil oct vocal effects mixer nov music on hold play music for someone who is on hold on the phone dec thd analizer battery tool electronic fuse jan acoustic field generator phone activated audio muting circuit feb frequency probe radar detector tester march universal laboratory power supply april morse rtty detector capacitance adaptor capacitance add on for a dmm solid state wiper control may universal descrambler for a tv july digital dashboard for a car august digital pressure gauge sept vocal stripper take the vocals away from music oct rocket altimeter model rockets dec benchtop frequency counter jan carrier current audio transmitter audio through your house s wiring plasma display globe advanced control system feb carrier current receiver march hi fi audio amp for house or car high power may i r extender extender for infra red remotes july light beam communication digital capacitance meter nov r c decade box digital compass dec programmable phasor property guard july l c meter part august l c meter part nov electronic combonation lock sept stun gun june click and pop filter for your stereo removes clicks and pops when you play old lps from what i could see you can order the circuit kits finished or unfinished or you can order the parts that you can t get through a normal store andy belville it s taken me a long time but i ve belvilad dunx ocs drexel edu fallen in love with a beautiful woman
