Nokia 3310 Vibra connection 1: Controlling relay with phonecall

[Alkuun] [Puhelimen purkaminen] [Akkumuutos] [Vibra1] [Vibra2] [HandsFree1] [HandsFree2]
[Main page] [Disassembly] [Battery modification] [Vibra1] [Vibra2] [HandsFree1] [HandsFree2]

Remove vibra assembly with white rubber cover.

Use soldering iron to connect two wires to printed circuit board

Drill small hole for wires to phone.

Put wires to hole and assemble phone.

Make hollow to back cover for wires.

Circuit diagram

Vibra motor signal is not constant voltage. Signal is 3,75V pulses. Time between pulses is 44us. Vibrasignal

You can use this circuit to drive 12V car relay.
Relay turns on and off like vibra motor when phone is ringing. (1 second on then 1 second off.)