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| adjtm_ | mntmn, are you planning to make a keyboard manufacturing run that could be purchased without a reform laptop? | 22:46 |
|---|---|---|
| mntmn | adjtm_, yes, it's in my todo list actually. still have to decide on how exactly to package that. | 22:49 |
| alex4nder | mntmn: is reform 2 the reform with updated specs? | 22:54 |
| alex4nder | (i.e. reintroduction from may) | 22:54 |
| mntmn | alex4nder: yes | 22:54 |
| alex4nder | cool | 22:55 |
| alex4nder | I'm looking forward | 22:55 |
| adjtm_ | alex4nder, I would not call it a "reform with updated specs", it's developed from scratch with much better specs and better design | 22:58 |
| adjtm_ | it seems to be "what mntmn have learned from developing reform 1" | 22:59 |
| alex4nder | great | 22:59 |
| alex4nder | I'm just refering to what I read on crowdsupply | 22:59 |
| alex4nder | I have a novena, and I'm looking forward to getting something with i.mx8 | 22:59 |
| adjtm_ | it's a totally new laptop, and the only downside I see is less mature software | 23:00 |
| adjtm_ | alex4nder, I also have a novena, although I don't use it regularly anymore | 23:00 |
| mntmn | yeah, i just have the feeling that software support on imx8m will actually be better, because arm64 is better supported in general | 23:01 |
| adjtm_ | reform has better design of what I consider a few novena design mistakes | 23:01 |
| adjtm_ | mntmn, it probably be better in the future | 23:01 |
| mntmn | yeah | 23:02 |
| mntmn | in my tests i was really happy about the performance and usability with imx8m especially for web, working with bigger files etc | 23:02 |
| adjtm_ | and comparing with novena, it has a much better case for using it as a laptop, good keyboard, better battery and much simpler power supply electronics | 23:03 |
| adjtm_ | novenas' power board is too complex and expensive (and it has some deprecated components) | 23:04 |
| alex4nder | agreed. I never bothered to get the power supply board for the novena for that reason | 23:05 |
| mntmn | i still have to assemble and bring up the first reform 2 board. i have everything here, but was stalled by having to do a huge shipment of ZZ9000s ;) | 23:05 |
| mntmn | do you mean this? https://www.kosagi.com/w/index.php?title=Novena_Main_Page#Battery_board | 23:06 |
| alex4nder | yah | 23:06 |
| + erlehmann (~erlehmann@p2E5F9712.dip0.t-ipconnect.de) | 23:06 | |
| alex4nder | by the time I had a novena, they weren't making the battery board anymore, and I didn't feel like running my own batch of them | 23:07 |
| mntmn | ahh ok | 23:08 |
| mntmn | the battery tech is integrated in the reform / reform2 mainboard, and it has gotten a bit more complex now, due to going from 1 to 8 cells | 23:08 |
| adjtm_ | mntmn, yes, that battery board (senoko) | 23:27 |
| adjtm_ | mntmn, I'm pretty sure that the reform 2 power electronics are less complex than this: http://bunniefoo.com/novena/pvt2_release/senoko_pvt1.jpg | 23:29 |
| mntmn | hmm, possible! current state is on page 2 here http://dump.mntmn.com/reform2-motherboard.pdf | 23:39 |
| mntmn | sorry, page 9 adjtm_ | 23:40 |
| mntmn | pages got shuffled around ;) | 23:41 |
| alex4nder | interesting | 23:42 |
| alex4nder | so the LPC11U24 and the LTC6803 work in tandem? | 23:43 |
| mntmn | yeah the LTC6803 is dumb | 23:44 |
| mntmn | it still needs an MCU to tell it what to switch on and off for balancing, and to read out all the voltages | 23:44 |
| mntmn | i guess it could be replaced by just an MCU with many ADCs | 23:47 |
| alex4nder | mntmn: am I reading this right: F2 is connected directly to BAT1+? | 23:50 |
| mntmn | alex4nder: yep, looks a bit awkward in the drawing | 23:54 |
| mntmn | any ideas about that? | 23:54 |
| mntmn | (shouldn’t it be?) | 23:54 |
| alex4nder | mntmn: I'm not sure at all.. I was just starting to ready it | 23:55 |
| alex4nder | -y | 23:56 |
| mntmn | ah ok! | 23:56 |
| mntmn | so there would be around 24V there | 23:56 |
| mntmn | that’s the system power coming from the batteries and it goes to a gate that decides between this and jack power | 23:57 |
| alex4nder | yah, i was confused by the block diagram in the LTC6803 but I see now: Positive Power Supply. Pin 1 can be tied to the | 23:58 |
| alex4nder | most positive potential in the battery stack or an isolated | 23:58 |
| alex4nder | power supply. | 23:58 |
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