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Due to considerable interest in the QTC demonstrations at the NEC, many teachers expressed interest in the availability of the actual demonstration boards. In response to these requests, we have replicated the graphics to enable you to manufacture your own teaching aids. The PDF includes all six boards with positional colour graphics for PCB board location. We used two coin cells and a new coin double cell holder giving 6V for each board. These are available from Rapid Electronics. All of the circuits are included in the QTC index above using PCB Wizard format PCB files. Each board can be modified to suit your own application within projects. A live wire simulation circuit is also enclosed. Should any teacher have the time to use Crocodile Clips in converting the above circuits please submit these to TEP for inclusion in our archive of circuits.
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More help pages on QTC electronic applications. INDEX
1. Frequency Control with QTC
2. Volume Control Circuits using QTC
3. QTC variable speed and reversing motor control
4. Pressure acoustic alarm system
5. QTC tri-colour LED
6. QTC with bargraph display of pressure
7. Impact measurement and Charge Pump
Download QTC Teaching aid PDF here: QTC.pdf 161kb
Frequency control with QTC
Volume control and examples of QTC
QTC Variable speed and reversing motors
Pressure acoustic alarm system
QTC Tri-Colour LED
QTC with bargraph display of pressure
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