EOMA68 Libre 15.6in Laptop

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16 Sep 2016: 2nd phase of PCB prototyping begins

After the successful Crowd Supply campaign with its 100% focus on communications instead of design work, the focus now returns to redoing the PCBs. PCB1 - the main PCB which houses the EOMA68 Card - has been completed. PCB2 requires a bit more thought, and PCB3 a complete overhaul.

PCB2 contains the STM32F072 and covers the keyboard, monitors the battery, controls the power button and handles the mouse-like CTP and corresponding 3.5in LCD on which to display "mouse buttons". An alternative supplier for the HX8357D-based LCD was chosen after the previous supplier could not provide any technical information, and the connector and positioning needs to be entirely redone (a FPC-50). The problem is: that has knock-on implications for the casework. Given that the flat in HK is too small to set up a 3D printer, it is necessary to use the 3D CAD model instead. Some effort will therefore be made to replicate PCB2 and the LCD+CTP, in order to be able to check that everything will fit. This may require some iteration, but the cost of the 2-layer PCBs is minimal compared to the cost of the EOMA68 Cards, so this is deemed acceptable.

Posted Fri Sep 16 01:50:08 2016

Archive

Crowdsupply Campaign launches
Posted Fri Aug 5 22:41:48 2016
EOMA68 Libre 15.6in Laptop casework completed
Posted Wed Mar 2 12:43:43 2016
laptop 15in pics.tgz
Posted Wed Mar 2 12:11:45 2016
EOMA68 Libre 15.6in Laptop bamboo panels
Posted Fri Feb 5 13:42:03 2016
EOMA68 Libre 15.6in Laptop partially assembled
Posted Wed Jan 20 16:29:51 2016
EOMA68 Libre 15.6in Laptop parts pre assembly
Posted Tue Jan 19 15:00:19 2016
Boards walkthrough post wiring
Posted Sun Jan 3 14:06:55 2016
Component walkthrough pre assembly
Posted Sun Jan 3 13:58:04 2016
PCB2 video prototype keyboard demo
Posted Sat Jan 2 15:48:10 2016
PCB2 prototype functional keyboard matrix
Posted Sat Dec 26 22:09:50 2015
Chicony keyboard matrix reverse engineering
Posted Thu Dec 24 19:43:17 2015
PCB1 LCD operational 14dec2015
Posted Mon Dec 14 21:42:31 2015
PCB2 prototype progress 10dec2015
Posted Thu Dec 10 16:34:42 2015
PCB1 LCD semi operational 01dec2015
Posted Tue Dec 1 15:51:05 2015
PCB3 prototype arrives 15oct2015
Posted Sat Oct 17 09:25:30 2015
PCB2 prototype progress 14oct2015
Posted Thu Oct 15 18:10:26 2015
PCB2 prototype progress 05oct2015
Posted Mon Oct 5 12:56:25 2015
PCB1 prototype progress 26sep2015
Posted Sun Sep 27 16:04:02 2015
PCB Revision 1 prototype 17sep2015
Posted Thu Sep 17 18:11:31 2015
PCB Revision 1 design progress 20 Aug 2015
Posted Thu Aug 20 16:54:42 2015
Casework first prototype completed 07 Aug 2015
Posted Fri Aug 7 17:12:46 2015
Casework progress 09 July 2015
Posted Thu Jul 9 14:50:31 2015
Casework progress 05 July 2015
Posted Sun Jul 5 17:24:54 2015
Casework progress July 2015
Posted Wed Jul 1 20:22:28 2015
Casework progress video June 2015
Posted Wed Jul 1 20:22:28 2015
PCB1 Support
Posted Thu Jun 4 10:26:26 2015
Casework progress June 2015
Posted Tue Jun 2 17:53:48 2015
Casework progress May 2015
Posted Thu May 14 17:06:59 2015
2nd revision progress
Posted Mon May 4 11:31:37 2015
Casework progress
Posted Tue Jan 13 23:00:21 2015
Specifications Developed
Posted Tue Jan 13 23:00:21 2015