<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Thanks il check your answer out - I am using Arduino UNO Wi-fi Rev 2 <br><br><div dir="ltr"><div><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><span style="background-color: rgba(255, 255, 255, 0);">Regards<o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><o:p style="background-color: rgba(255, 255, 255, 0);"> </o:p></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><span style="background-color: rgba(255, 255, 255, 0);">Eddie Ball<o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><span style="background-color: rgba(255, 255, 255, 0);">EBA Consulting Ltd<o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><font color="#000000"><span style="background-color: rgba(255, 255, 255, 0);"><a href="tel:+447767426142" dir="ltr" x-apple-data-detectors="true" x-apple-data-detectors-type="telephone" x-apple-data-detectors-result="5/1" style="-webkit-text-decoration-color: rgba(0, 0, 0, 0.258824);">+44(0)7767426142</a><o:p></o:p></span></font></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><font color="#000000"><span style="background-color: rgba(255, 255, 255, 0);"><a href="tel:+441554890300" dir="ltr" x-apple-data-detectors="true" x-apple-data-detectors-type="telephone" x-apple-data-detectors-result="5/2" style="-webkit-text-decoration-color: rgba(0, 0, 0, 0.258824);">+44(0)1554890300</a><o:p></o:p></span></font></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><o:p style="background-color: rgba(255, 255, 255, 0);"> </o:p></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><font color="#000000"><span style="background-color: rgba(255, 255, 255, 0);"><a href="www.ebassociates.co.uk">Visit Our Web Site</a><o:p></o:p></span></font></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><o:p style="background-color: rgba(255, 255, 255, 0);"> </o:p></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><span style="background-color: rgba(255, 255, 255, 0);"><span lang="EN-US"><a href="https://twitter.com/#!/eddieballeba"><span lang="EN-GB" style="text-decoration: none;"><img border="0" width="74" height="72" id="Picture_x0020_1" src="cid:image001.jpg@01D29BD6.88E52170" alt="Twitter_logo 1" data-unique-identifier=""></span></a><a href="https://www.facebook.com/pages/EB-Associates/340230642758062?ref=ts&fref=ts"><span lang="EN-GB" style="text-decoration: none;"><img border="0" width="140" height="84" id="Picture_x0020_2" src="cid:image002.jpg@01D29BD6.88E52170" alt="Facebook" data-unique-identifier=""></span></a></span><img border="0" width="275" height="68" id="Picture_x0020_3" src="cid:image003.png@01D29BD6.88E52170" data-unique-identifier=""></span></p></div><div><br></div>Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On 17 Jul 2020, at 14:31, Alice Mitchell <alice@swansea.hackspace.org.uk> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><span>On Fri, 2020-07-17 at 09:38 +0000, EBA Consulting Ltd wrote:</span><br><blockquote type="cite"><span>Hi</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>I have designed a system with 3 sensors (Temp,Light and level) they</span><br></blockquote><blockquote type="cite"><span>run from an Arduino- wifi unit. I have powered it using a 9v PP3</span><br></blockquote><blockquote type="cite"><span>battery.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>The system will be located outside the property but in range of wi-</span><br></blockquote><blockquote type="cite"><span>fi.  There is no power so I would like to use a re-chargeable 9v</span><br></blockquote><blockquote type="cite"><span>battery connected to a solar panel to keep it topped up.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>I am looking for help to provide a hardware design solution to</span><br></blockquote><blockquote type="cite"><span>achieve this</span><br></blockquote><span></span><br><span>I would be curious to know what Arduino board you are using, a lot of</span><br><span>the standard ones used a linear voltage regulator for the power supply</span><br><span>which will waste a lot of power and might make the power consumption</span><br><span>too high to be practical for long term solar power.</span><br><span></span><br><span>Have you seen projects like this one ?</span><br><span>https://www.instructables.com/id/Solar-Powered-WiFi-Weather-Station-V20/</span><br><span></span><br><span>They use a Wemos D1 Mini as the microcontroller (its an ESP8266 dev</span><br><span>board), powered by a standard LiIon battery, connected to one of those</span><br><span>off the shelf lithium charging boards like we stock in the space and a</span><br><span>solar panel.</span><br><span></span><br><span>_______________________________________________</span><br><span>Hackspace mailing list</span><br><span>Hackspace@swansea.hackspace.org.uk</span><br><span>http://swansea.hackspace.org.uk/mailman/listinfo/hackspace</span><br></div></blockquote></body></html>