2 Party Morse Buzzer / Trainer

Talk at the Singapore Amateur Radio Transmission Society on

27 Jan 2011 by Jeff NK Yeo 9V1AS

Filename: BB249B.ppt

What is it?

When used as a stand alone board, it is a morse key tone generator

When connected to another similar board, it may be used as a 2 party morse trainer, simulating CW TX and RX without transceivers

Schematic of one channel

How to connect 2 channels to make a trainer

You will need this to assemble the board

You will need this to assemble the board

Hardware is quite easily built

Usage example...

Thanks for the QSO!