Changes between Version 1 and Version 2 of Projekte/Wanduhr

Timestamp:

Sep 3, 2010, 8:23:59 AM (14 years ago)

Author:

roh

Comment:

--

Projekte/Wanduhr

@@ -1 +1 @@
 = Wanduhr =
 
+[[Image(wanduhr.jpg, 400px, right, nolink)]]
  this is a digital 7 segment led wall clock with 42mm high digits based on a atmel atmega168.
 
  the display modules come from RFT, a former manufacturer in the GDR(DDR). (second hand)
 
- it has different modes and can be controlled via the serial or 'just left running'.
+ it has different modes and can be controlled via the serial (38400) or 'just left running'.
 
- the timer values are determined by experiment and may be slightly different for your crystal ;)
+ the timer values are determined by experiment and may be slightly different for your crystal
 
-== Instructions ==
+== Build Instructions ==
 
  the atmega uses a 12mhz crystal.
@@ -15 +16 @@
  one ULN2003 is used as low-side driver.
 
- a 2-stage bipolar transistor driver is used for the high sides for the digits (common anode)
+ a 2-stage bipolar transistor driver is used for the high side for the digits (common anode)
 
  note: you will need to laser the top-left part in wanduhr_holders.dxf twice. (bottom side holders)
@@ -21 +22 @@
 == Downloads ==
 
- downlaod [attachment:wanduhr_r197.tgz source and cad files]
+ download [attachment:wanduhr_r197.tgz source and cad files]
  or [browser:project/wanduhr browse in svn]