A simple Morse Code practice Oscillator designed by VK2IAU
| Parts List |
|
| Perfboard | |
| Pots | 25k Logarithmic
Potentiometer 75 Ohm Linear Potentiometer
|
| Resistors | 2 x 4.7k
1 x 4.7 to 100 ohm (a Potentiometer can be used) 1
x 10 Ohm |
| Capacitors | 1 x .1uf Green cap
2 x 10uf Electrolytic 1x 10uf Tantalum |
| ICs | 1x NEC 555 |
| Loudspeaker | 4 - 8 Ohms |
| Power supply | 1 x 9v Battery clip. ( A surplus PC power supply can be used to provide to Power. Use the +5v supply) |
| Sockets | 1 x 3.5mm Jack plug Socket |
| Hook up Wire | |
| Suitable Project Box |