Phone connector (audio) - Wikipedia
Headphone Jack and Plugs: Everything You Need to Know - Headphonesty
How to read audio from a 3.5mm jack? - Electrical Engineering Stack Exchange
3.5 mm Audio Jack Connector PCB Mount Female Socket 3Pin PJ-320 20pcs - Walmart.com
Power amp adapter | DIY-Audio-Heaven
Headphone Jack Communications - Espruino
Voltage rating of 3.5mm jack audio output - Electrical Engineering Stack Exchange
Pin en Mpho Plans
How Do Headphone Jacks And Plugs Work? (+ Wiring Diagrams) – My New Microphone
Braided 2 In 1 Type C To 3.5 Mm Charger Headphone Audio Jack USB C Cable Type-C To 3.5mm in 2021 | Audio, Headphone, Mobile phone
Electronics repairs: How to harvest energy from an audio port of a cellphone for low power applications
Measure Voltage using Audio Input of android phone - Android Development | Android Forums
No, really, the headphone jack is more useful than you think! | TechCrunch
Headphone Impedance Demystified: Do I Need a Headphone Amp? - Headphonesty
Using a 1.5V battery to increase the voltage from a headphone jack so it can switch a transistor at lower volumes - Electrical Engineering Stack Exchange
Reference Voltage - an overview | ScienceDirect Topics
Sensitive voltage detector
NwAvGuy: Headphone Impedance Explained
Detecting audio from a headphone jack
Newbie needs help measuring headphone jack output voltage | Headphone Reviews and Discussion - Head-Fi.org
3.5MM 4 Conductor Stereo Female Panel Mount Headphone Jack, Solder style, Black
Data-rich 3.5mm jack vies with USB-C for headsets - EDN
audio - Microphone voltage on a 3,5mm PC microphone/headphone jack - Electrical Engineering Stack Exchange
