On the project Github, [Gordon] used the microphone pin on a TRRS jack to sent data to a computer. It needs two more resistors, but other than that, it’s as simple as the one-way communications ...

The device features an off-center USB-C port, a 3.5mm headphone jack, a SIM card tray, a microphone, and a speaker. The Zenfone 11 Ultra runs Android 14, and the company promises two major ...

Windows 11/10 allows PC users to listen to a portable music player or other device connected to the microphone jack through a selected playback device such as your computer speakers or headphones.

Some phones offer only a 2.5 mm jack, which is a smaller variety of the same principle. Headphones supplied with mobile phones usually have a mic somewhere along the cable and a remote button that ...

Dependent on the number of connector rings, headphones can also include a microphone. The current trend is for high-end smartphone flagships to exclude the 3.5mm jack, with headphone support being ...