Wednesday, December 18, 2013

Assembled Mainboard, Display board and Led driver board

The assembled (and working !) boards:

Still one displayboard and leddriver board to assemble...
 

Tuesday, December 17, 2013

Getting crowdy on the bus....


Assembling the second display board. These are all the i2c adresses at this moment. 4 adresses will be added when all boards are fully assembled.

[root@rgbclock ~]# i2cdetect -y 1
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: 20 21 22 -- -- -- -- -- -- 29 -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: 40 41 -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- 5a -- -- -- -- --
60: -- -- -- 63 -- -- -- -- 68 -- -- -- 6c -- -- --
70: 70 -- -- -- -- -- -- --

Monday, November 11, 2013

Panelizing the 3 boards

I have combined all 3 boards into a single board (panalizing, reducing board costs) using this tutorial:

http://www.instructables.com/id/Panelizing-PCBs-for-Seeed-Using-Eagle-Free-Light/

Gerbmerge:
http://ruggedcircuits.com/gerbmerge/

3 boards routed !

I managed to route all 3 boards ! Still some minor changes needed to the mainboard.
Special thanks to http://www.freerouting.net/ for doing the autorouting part. All routes where routed with this autorouter. Only a few routes where manually routed (especially around the FM receiver).


Mainboard:
Displayboard:
Leddriverboard:

Wednesday, October 9, 2013

Eagle library parts

I'm surprised to learn that creating Eagle library parts is actually quite easy; see this tutorial:
http://www.msilverman.me/2010/06/creating-a-new-device-in-eagle/

And it is even faster when you copy a existing symbol/package. In my case the library for the Si4735-D50 FM receiver...