New version, better tuning, smaller footprint and all surface mount aside from trimmers and LED.            

CW LED zero beat indicator, with tone and volume adjustment.
Kit will include parts and placement location.
This kit will work from 9-12V but functions at its best 12-13.8V.
Assembled Kits will come with the LED off the board so the user can either mount in a case or add to a current project
Kits are now shipping with diffused red LEDs for better visual indication

All files are available in "My Account-My Orders-Downloads" If for any reason you can not get the files let us know and we will e-mail them

Blue is the new version, red is the old. We replaced the two .1uf with .47uf and 10k 1 turn with 25 turn for better tuning.