[Swansea Hackspace] Solar Panel Battery Charging

[E Ball]

Thanks il check your answer out - I am using Arduino UNO Wi-fi Rev 2 

Regards
 
Eddie Ball
EBA Consulting Ltd
+44(0)7767426142
+44(0)1554890300
 
Visit Our Web Site
 


Sent from my iPhone

> On 17 Jul 2020, at 14:31, Alice Mitchell <alice at swansea.hackspace.org.uk> wrote:
> 
> On Fri, 2020-07-17 at 09:38 +0000, EBA Consulting Ltd wrote:
>> Hi
>> 
>> 
>> I have designed a system with 3 sensors (Temp,Light and level) they
>> run from an Arduino- wifi unit. I have powered it using a 9v PP3
>> battery.
>> 
>> 
>> The system will be located outside the property but in range of wi-
>> fi.  There is no power so I would like to use a re-chargeable 9v
>> battery connected to a solar panel to keep it topped up.
>> 
>> 
>> I am looking for help to provide a hardware design solution to
>> achieve this
> 
> I would be curious to know what Arduino board you are using, a lot of
> the standard ones used a linear voltage regulator for the power supply
> which will waste a lot of power and might make the power consumption
> too high to be practical for long term solar power.
> 
> Have you seen projects like this one ?
> https://www.instructables.com/id/Solar-Powered-WiFi-Weather-Station-V20/
> 
> They use a Wemos D1 Mini as the microcontroller (its an ESP8266 dev
> board), powered by a standard LiIon battery, connected to one of those
> off the shelf lithium charging boards like we stock in the space and a
> solar panel.
> 
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