This educational kit is a very easy to build and is suitable for beginners in electronics or those who wish to learn Morse code.

When it is connected to a suitable Morse Keyer and miniature speaker (Order Code 4047) it will produce a tone every time the key is depressed thus helping the user practice in the use of the Morse code.

The circuit can also be used as a warning buzzer or a simple tone generator. The pitch of the tone produced is adjustable from 250Hz to 160KHz.

Specifications:

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Working voltage: 9-12Vdc i.e. PP3 battery (Order Code GPUPP3), mains adapter (Order Code PSU443 with connector 7-1012) or kit 1061.
Current: 100mA.
Solder posts for all connections.
Suitable output speaker: Order Code 4047.