Koch CW Tutor
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| G0UKB Koch CW Tutor |
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Inventory
- 1 x Pic 16F84 (Programmed) - 16C84 will also
work
- 1 x 16*2 LCD (Hitachi HD44780 compatible)
- 1 LM7805 5v voltage regulator
- 1 x 4Mhz Ceramic Oscillator (3 pin preferable)
- (if 2 pin then 2 additional capacitors 22pF
or 33pF are required)
- 1 x 10K Preset Pot (for brightness control)
- 1 x 10K Pot for volume control (small preset
fine if not enclosing in a box)
- 4 x 10K Resistors (1/8 or 1/4W are fine)
- 2 x 100nF Capacitors (disk ceramic are fine)
- 1 x 3.5mm Stereo Jack Socket
- 4 x Momentary Push To Make Switches
- PP3 9v Battery (+ Battery Snap)
- 18 Pin DIL socket for PIC
- Pins, Sockets and Mounting Hardware (as appropriate)
for LCD
- Stripboard or PCB
Optional
- LED (to indicate power on)
- 330 Ohm Resistor (current limiter for LED)
- LM386 Audio Amp (etc) + Small Speaker
- Power connector for external 9-12v PSU
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