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change approach again

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Wolfgang Hottgenroth
2018-05-09 14:31:22 +02:00
parent 54a933c83a
commit 0686e02b75
2252 changed files with 864743 additions and 270 deletions
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define(`TITLE', `Another (better) MBus-Master, Part 6')
define(`DATE', `2014-02-13')
define(`CONTENT', `
Here is a slightly fixed schematics, the sources of the firmware and the Eagle .sch-File ...
<a href="http://a385e-5.de/wp-content/uploads/2014/02/main.pdf"><img src="http://a385e-5.de/wp-content/uploads/2014/02/main-300x216.png" alt="main" width="300" height="216" class="alignnone size-medium wp-image-401" /></a>
<a href="http://a385e-5.de/wp-content/uploads/2014/02/MeterBusPowerMaster-2014-02-13.zip">MeterBusPowerMaster-2014-02-13</a>
The circuit requires two supply voltages: +5V (named so in the schematics) and +35V (named <tt>vcc</tt> in the schematics).
Note, please: there is still no over current protection in the design.
If you like to use this design for your own purposes, feel free (and maybe, you want to let me know, especially if you enhance the design somehow). But don'`t blame me if something goes wrong. This design is working successfully in my basement, but, as mentioned before, it has still no over current protection (so, avoid short cuts on the bus wires). Furthermore, I can'`t state whether it is fully complaint to EN 13757 standard or not.
')