The diode OR'd circuit discussed could handle that as well. If it wasn't
receiving enough juice from the solar panel, it would switch over to the
alks.
There are also 5V UPS modules available now designed for the raspberry
pi. Those would also charge some batteries in line.
On 10/23/2025 10:06 PM, Mike Stein wrote:
I guess you'd need something for when a cloud passes in front of the
sun, although you usually get some power out of a solar cell even in
shadow. Maybe you could even use a supercap...
On Thu, Oct 23, 2025 at 9:47 PM B9 <[email protected]> wrote:
Very cool! I remember hearing about that guy but didn't know he
had a Model T. The article mentions he had "a 12V battery, and a
five-watt solar panel."
I'm presuming he used the solar panel to charge the battery and
then used the battery to run the Model T.
"Direct solar" as AbortRetryFail mentioned might be possible, but
I'm not sure what the advantage of that would be. I think I've got
a 5W panel, so maybe I'll give it a shot just to see.
--B9
On October 23, 2025 3:48:40 PM PDT, Mike Stein
<[email protected]> wrote:
A solar powered M100...
https://bikepacking.com/plog/steve-roberts-computing-across-america/
On Wed, Oct 22, 2025 at 2:53 PM [email protected]
<[email protected]> wrote:
What are the limits/parameters of the 100's power supply
circuit anyway. Has anyone dug into it?
Direct solar power for example would be cool, but I'd be
reluctant to experiment on the 40 year old hardware...
On October 21, 2025 4:20:27 PM EDT, Scott McDonnell
<[email protected]> wrote:
This shouldn't be a problem.
On 10/21/2025 10:24 AM, VANDEN BOSSCHE JAN wrote:
I found some stabilized power supplies, discarded but
new.
They are not compatible with the models T, but I
suppose I can always adapt the pin. I’ve done it with
USB-cables too.
But these are 7,5 V, 650 mA. Isn’t that too much ?
AFAIK, a standard Tandy wall-wart is 6V, but not
stabilized.
**
*Jan-80 @ work*
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