PDA connectors and cables 4-Connector Jack on PalmOne’s Tungsten C. Speaker is Mono. Connect Micro direct to Pin 2 and 4, and also a Button in Line with a 48 Ohm Resistor.
4 pin 3.5mm (2.5mm) plug connector at the PalmOne Tungsten C
|PalmOne Tungsten C Pin||Name||Description|
|1||Speaker +||Earspeaker (Mono) +|
|2||Microphone +||Microphone (and Button over 48E, and also a Diode)|
|3||Speaker -||Earspeaker (Mono) -|