4 pin headset pinout / pushbuttons interface
7290
How do volume control headphones work?
79215
How to split 7.1 soundcard outputs to 4 stereo outs with ALSA
148212
Is there any definitive I2C pin-out guidance out there? Not looking for a "STANDARD"
50203
Make headphone output mono
147291
Why aren't pins on microcontroller grouped together, close to each other?
140120
How can I adapt a 3-pin PC fan connector to a 4-pin connector?
3935
How can I represent multiple pins at the same location on a map?
21749
Creating a keyboard with a microcontroller, do I need an input pin for each key?
58034
Internal pullup for input in PIC microcontroller
49485
How to use a transistor to pull a pin low?
47997
How do I connect to my Bluetooth headset?
32938
how to hard-bypass the input of a line driver with a switch?
80943
Using headset controls like a smart phone
28609
How to switch 7 wires with a single on/off slide switch
41837
How to set up Ubuntu PC as bluetooth headset to attend calls
148884
bluetooth headset connects but not showing in sound settings
155260
Bluetooth headset never gives me sound options