You might try my code Flexible Sweep | Blinkenlight here. It is completely tested down to 0.0001 Hz. If your issue persists with my code then your issue is caused by your circuit and not by the code.
You might try my code Flexible Sweep | Blinkenlight here. It is completely tested down to 0.0001 Hz. If your issue persists with my code then your issue is caused by your circuit and not by the code.