Thank you very much for your rapid response:)
It is, but Seedstudio Manual for DSO Nano v1.0b says that it is “50 Hz Square Wave”. The same Manual says that device has “test signal, Built-in 10Hz -1MHz (1-2-5 Step)”
If “50 Hz Square Wave” and “test signal” are the same thing - how to change the frequency of the signal, in general how to control signal parameters?
Thank you very much again:)