Here is a $10 way to add a frequency counter Found a post in a QRP list by Jim, KR1S .
http://www.pongrance.com/ Doug also sell a display for $0.99 that can be interfaced with only a few pins. Ulf
Here is a $10 way to add a frequency counter Found a post in a QRP list by Jim, KR1S .
http://www.pongrance.com/ Doug also sell a display for $0.99 that can be interfaced with only a few pins. Ulf