<div dir="ltr"><div>I'll try and address a few points</div><div><ul><li>sx1278 maxes out at 500MHz so no LoRaWan as that's 915MHz here in NZ</li><li>Bowtie antenna at 433MHz would be a bit big!! I've used them on 2.4GHz though when I had the wind turbine on the other side of a paddock with a WIFI Link</li><li>433MHz using $1 OOK radios (used on my weather station) if OK for single 18650 cell power and a 1w 6v solar panel but only reaches about 30m and then only with the receiver in the window</li><li>Looking to update an old project that used NRF24L01 link from my tunnel house back to either the workshop or the house. I'll be sending LCD screen data updates one way and button presses the other for full remote control</li><li>Remote power is a 12v 120AHr car battery from the wreckers with a 10w solar panel keeping in on float so 120mA TX current on LoRa won't be a problem (I'm hoping to run without the PA turned right up)</li></ul><div>The modules haven't arrived yet but a modded tunnel house window controller PCB is modified and most of the code is ready to run once I have something to connect up</div><div><br></div><div>I see that they also do OOK - I wonder if they would make a better receiver than the $1 ones on the weather station or if it's more sophisticated OOK ;)</div><div><br></div></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Tue, May 13, 2025 at 5:22 PM Richard Jones <<a href="mailto:richardandjanenz@gmail.com">richardandjanenz@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>In the early days of wifi I had good success with wifi over 4km from Diamond Harbour to Lyttelton using a bow tie antenna similar to this one: <a href="https://nz.pinterest.com/pin/759630662129071602/" target="_blank">https://nz.pinterest.com/pin/759630662129071602/</a></div><div><br></div><div>Richard</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, May 13, 2025 at 5:08 PM Daniel Powell <<a href="mailto:danielvieway@hotmail.com" target="_blank">danielvieway@hotmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>
<div lang="EN-NZ">
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<p class="MsoNormal"><span style="font-size:11pt">ESPNow, or WiFi LR, both Expressive protocols. Wifi LR does 1km line of sight or more with good antennas. ESPNow does 500m line of sight, but again more with a reasonable external
antenna. <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt">Daniel.
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt"><u></u> <u></u></span></p>
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<div style="border-width:1pt medium medium;border-style:solid none none;border-color:rgb(225,225,225) currentcolor currentcolor;padding:3pt 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11pt;font-family:"Calibri",sans-serif"> Chchrobotics <<a href="mailto:chchrobotics-bounces@lists.ourshack.com" target="_blank">chchrobotics-bounces@lists.ourshack.com</a>>
<b>On Behalf Of </b>Mark Beckett<br>
<b>Sent:</b> Tuesday, 13 May 2025 4:53 pm<br>
<b>To:</b> <a href="mailto:chchrobotics@lists.ourshack.com" target="_blank">chchrobotics@lists.ourshack.com</a><br>
<b>Subject:</b> Re: [chbot] LoRa peer to peer<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
<p><span style="font-family:"Candara",sans-serif">I've played with NRF24L01 and easily done 400m.</span><u></u><u></u></p>
<p><span style="font-family:"Candara",sans-serif">On eissue is with the high power versions you need a bit of physical seperation otherwise it seems to overwhelm the front end.</span><u></u><u></u></p>
<p><u></u> <u></u></p>
<p><span style="font-family:"Candara",sans-serif">There is a lot of discussion on LoRa and hardware on the discord
<a href="https://discord.com/channels/1215950134874210334/1218106537403220018" target="_blank">https://discord.com/channels/1215950134874210334/1218106537403220018</a></span><u></u><u></u></p>
<p><span style="font-family:"Candara",sans-serif">They mainly use 915 Mhz.</span><u></u><u></u></p>
<p><u></u> <u></u></p>
<p><span style="font-family:"Candara",sans-serif">Mark</span><u></u><u></u></p>
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<p class="MsoNormal">On 13/05/25 14:59, Robin Gilks wrote:<u></u><u></u></p>
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<div>
<p class="MsoNormal">I'm looking for a radio link that has a bit better range than an NRF24L01 which I have found doesn't really make 100m reliably. Got some sx1278 modules (for use on 433MHz) on order so I'll be able to experiment but any pointers or experiences
in other than LoRaWAN ?<u></u><u></u></p>
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<div>
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Cheers<u></u><u></u></p>
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<p class="MsoNormal"><br>
<span>-- </span><u></u><u></u></p>
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<div>
<p class="MsoNormal">Robin Gilks <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><br>
<br>
<u></u><u></u></p>
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