So, why not go all in and get yourself a keyboard with a big ‘ol volume knob? I did, and it’s pretty awesome. Now, I’ll admit ...

Just drill a hole through the PCB behind the knob’s potentiometer ... A simple web page running on the ESP8266 even allows him to control volume over the network with his smartphone.

We like that this is isn’t a volume knob in the traditional sense — it ... This isn’t the first time we’ve seen a rotary dial used to control volume, but that’s one of the minor ...

At the bottom of the microphone are knobs for volume control and polarity switching. This is what the knob looks like from the front. On the back of the microphone, there is a 3.5mm headphone jack ...