Morse Tone Generator

I slapped this together in about an hour or so. I found it on Instructables by user frickelkram.

http://www.instructables.com/id/Morse-tone-generator-low-power-CW-beeper/

It's a cool setup with some transistors in there to keep the power usage low. I never used transistors before so I had a little trouble figuring out how to wire it all up. Once I got it, I drew up a schematic that made it all kind of obvious.

Click to Enlarge

The picture shows how the pins are laid out (double check your datasheet to see if it matches). The schematic symbol kind of confused me a little. So I drew it as my transistors looked just so I could get it straight.

Morse Tone Generator by Justin Bread is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License.
Based on a work at www.instructables.com.