hi,
in order to work towards getting the laptop out in phases i'm looking to create an intermediary design that utilises the exact same PCB1 from the laptop, exact same LCD, without the STM32F board (PCB2) and without the battery charger board (PCB3)... which in effect makes an "LCD monitor" when utilised with a passthrough Card or an "all-in-one PC" when utilised with a card that has a processor in it.
a review of the (simple) schematics for PCB4 would be really useful, although they are in fact very very simple.
please note though that i will be delaying prototyping PCB4 and PCB1 until the latest micro-desktop revision (1.7) has been prototyped and confirmed working with its SD/MMC level-shifting. i missed that bit... so do not wish to waste backer funds by potentially making a mistake on the micro-desktop 1.7 PCB that's *duplicated* on laptop PCB1.
http://hands.com/~lkcl/eoma/laptop_15in/pcb4
--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
As far as I know there are no mistakes on PCB4, I'll have a look on PCB1 during the next days.
Julius
On Mar 12, 2017, 12:15, at 12:15, Luke Kenneth Casson Leighton lkcl@lkcl.net wrote:
hi,
in order to work towards getting the laptop out in phases i'm looking to create an intermediary design that utilises the exact same PCB1 from the laptop, exact same LCD, without the STM32F board (PCB2) and without the battery charger board (PCB3)... which in effect makes an "LCD monitor" when utilised with a passthrough Card or an "all-in-one PC" when utilised with a card that has a processor in it.
a review of the (simple) schematics for PCB4 would be really useful, although they are in fact very very simple.
please note though that i will be delaying prototyping PCB4 and PCB1 until the latest micro-desktop revision (1.7) has been prototyped and confirmed working with its SD/MMC level-shifting. i missed that bit... so do not wish to waste backer funds by potentially making a mistake on the micro-desktop 1.7 PCB that's *duplicated* on laptop PCB1.
http://hands.com/~lkcl/eoma/laptop_15in/pcb4
crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
arm-netbook mailing list arm-netbook@lists.phcomp.co.uk http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to arm-netbook@files.phcomp.co.uk
--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
On Mon, Mar 13, 2017 at 12:32 PM, Internet internet@devpi.de wrote:
As far as I know there are no mistakes on PCB4, I'll have a look on PCB1 during the next days.
ah cool - thanks julius. PCB4 is pretty basic (power in: that's all). PCB3, i know for a fact that the level-shifting is missing on microsd. VREFTTL may be anything from 1.8 to 3.3v, depending on the Card (which provides 350mA VREFTTL)
l.
arm-netbook@lists.phcomp.co.uk
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Internet -
Luke Kenneth Casson Leighton