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change approach, too much m4

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Wolfgang Hottgenroth
2018-05-08 17:25:41 +02:00
parent 10e888649b
commit 54a933c83a
87 changed files with 256 additions and 2081 deletions
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25
posts/2013-09-10.01/article.html
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@ -1,20 +1,11 @@
<html>
<head>
<title>Projects - just for fun</title>
</head>
<body>
define(`TITLE', `M-Bus Master, Part 3 (Water)')
define(`DATE', `2013-09-10')
define(`CONTENT', `
Now, also the water meter talks to me.
<a href="http://a385e-5.de/wp-content/uploads/2013/09/Wasserzaehler.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/Wasserzaehler-225x300.jpg" alt="Wasserzaehler" width="225" height="300" class="alignnone size-medium wp-image-173" /></a>
(Note the thin grey cable, thats the M-Bus cable.)
(Note the thin grey cable, that'`s the M-Bus cable.)
And, after a small modification of the circuit I can talk to water meter and electric power meter connected in parallel to the master.
@ -23,7 +14,7 @@ And, after a small modification of the circuit I can talk to water meter and ele
<blockquote>
<a href="http://a385e-5.de/wp-content/uploads/2013/09/laser-drucker_005120.jpg"><img src="http://a385e-5.de/wp-content/uploads/2013/09/laser-drucker_005120-209x300.jpg" alt="laser-drucker_005120" width="209" height="300" class="alignnone size-medium wp-image-192" /></a>
IC2 was already added in the last step, since the output of the analog circuit and the requirements of the MCU didnt match concerning their logical polarity.
IC2 was already added in the last step, since the output of the analog circuit and the requirements of the MCU didn'`t match concerning their logical polarity.
Now, T3 (BS108) and R9 (2k2) have been added to disable the receive path while data is transmitted.
</blockquote>
@ -122,8 +113,4 @@ Decoding of the time&amp;date type is done like this:
</pre>
(Found on github in the libmbus repo.)
</body>
</html>
')