Sunday, June 28, 2009

M-Bus serial data cable shematics

Requirements:

IC 74HC04
Voltage regulator 78L05
Capacitor 470µF
Capacitor 47F
Transistor BC239C
2x Resistor 10 kOhms
2x Diode 1N4148
Sub-D9 plug

mobile phone connector

wires


Shematics:


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