16-02-2025, 12:54 PM
Bluetooth is a good way of using an old radio, even easier and better with the gram input. 5V for such units can often be obtained from the output valve cathode bypass resistor saving an extra transformer.
Nice job, BTW you can insert pictures into the thread (saves a lot of clicking!).
Nice job, BTW you can insert pictures into the thread (saves a lot of clicking!).
I want a PNP valve!







