On Sun, Sep 11, 2022 at 02:04 PM, Mark Jordan wrote:
As you already have a MCU in your circuit, it could be used to produce a voltage proportional to the frequency difference. An external DAC, R2R or even PWM can generate the voltage you need.
Hi, I think you're mixing up my project (OP) with someone else's question about using a difference freq to drive a meter.
I already have a tiny OLED display which shows the difference in both numbers and graphically.
Pete
saipan59 (Pete)