[NTLK] eMate 300 charger

Noah Leon moosefuel at gmail.com
Fri Feb 26 06:53:01 PST 2021

Yes! I remember the discussion of the resistor now!

It is a little bit of playing with fire. Maybe not for tinkerers like me.

> On Feb 26, 2021, at 9:47 AM, Ionos: robowerk.de <m.melcher at robowerk.de> wrote:
> Yes, this would work quite nicely with a USB-C port that has more than enough power to run and charge the MessagePad, and it would also transfer data to the modem port or serial port.
> But with the knowledge that a malfunctioning power module on this port would instantly destroy the Newton, nobody was brave enough to develop such a thing... .
> BTW: in the documentation, the value of the resistor that indicates external charging is wrong. Using it may also destroy the Newton... . Just saying.
> - Matthias
> On 2/26/2021 3:34 PM, Noah Leon wrote:
>> Hi Pawel,
>> I didn’t realize, or maybe I forgot, that based on these documents you could power and charge the Newton with just the interconnect port. Much like an iPod or something. That would be quite neat. Maybe this has been mentioned before and I forgot, but I’m tempted to look more into this.
>> noah
>>> On UNNA there is documentation about it: http://www.unna.org/unna/apple/documentation/n2platform/n2-padg.pdf <http://www.unna.org/unna/apple/documentation/n2platform/n2-padg.pdf> ><http://www.unna.org/unna/apple/documentation/n2platform/n2-padg.pdf <http://www.unna.org/unna/apple/documentation/n2platform/n2-padg.pdf>>
>>> There is even more info about the other system components in N2 Platform folder: http://www.unna.org/view.php?/apple/documentation/n2platform <http://www.unna.org/view.php?/apple/documentation/n2platform>
>>> <http://www.unna.org/view.php?/apple/documentation/n2platform <http://www.unna.org/view.php?/apple/documentation/n2platform>>
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