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The DAU 9P cable for Nokia 6100/5100 phones

( FBUS cable )

You will need the following parts:
1. The connector plug from a handsree or something. make sure it is easily dismantled not the moulded type because you will need to dismantle it.
2. A small box to put the electronics in.
3. Some 4 core wire, about a meter.
4. Con1 = A 9 pin serial plug
5. C1 = 100n Caps
6. C2 = 0.1uf 16VCaps Elec
7. D1 = 1N4001 Diodes
8. D2 = 1N4148Diodes
9. D3 = 2V7 Zenner Diodes
10. Reg1 = 7805 Regulator
11. IC = Max3232 Chip



If you can get the PCB etched use the image on the left. and wire it up as on the right
[Nokia DAU 9P]
If you dont have a vero board, here is the circuit diagram of the cable.
[circuit diagram]

click here to expand the circuit diagram



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