M-Bus serial data cable shemtaics (base MAX232)
Requirements:
- IC MAX232
- 3x Capacitor 1µF / 16V
- 2x Diode 1N5819
- Resistor 47Ohms
- Sub-D9 plug
- mobile phone connector
- wires
Shematics
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| date: | name: | comment: |
|---|---|---|
| 2010-01-03 | Master | Schottky Diodes can also be 1N4007. Worked fine for me. |