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14Instructables926,687Views282CommentsWellington, NEW ZEALANDJoined July 24th, 2006
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  • manuka commented on manuka's instructable Introducing LoRa™ !1 month ago
    Introducing LoRa™ !

    Scios: OK on your "8000 hectare" cattle farming cousin, & glad he's looking at commercial options ! You never did specify either his "farm's location " or it's terrain- such apscts are CRUCIAL for comms. insights...At your UHF starter level perhaps the best INITIAL way is with some simple handheld UHF PRS CBs used to explore coverage. Their power is typically a few Watts, giving a range maybe a few km in built areas, but MUCH more if Line of Sight (LoS). LoRa offers 10 times the range for the same power, BUT you are legally only allowed 25milliWatts ! As every 6dB gain doubles range (thus 100mW gives twice the range of 25 mW) then by chance 25 mW LoRa will cover about the same as 1 Watt PRS.As fair as UHF data starters go, these days I suggest the extremely ...see more »Scios: OK on your "8000 hectare" cattle farming cousin, & glad he's looking at commercial options ! You never did specify either his "farm's location " or it's terrain- such apscts are CRUCIAL for comms. insights...At your UHF starter level perhaps the best INITIAL way is with some simple handheld UHF PRS CBs used to explore coverage. Their power is typically a few Watts, giving a range maybe a few km in built areas, but MUCH more if Line of Sight (LoS). LoRa offers 10 times the range for the same power, BUT you are legally only allowed 25milliWatts ! As every 6dB gain doubles range (thus 100mW gives twice the range of 25 mW) then by chance 25 mW LoRa will cover about the same as 1 Watt PRS.As fair as UHF data starters go, these days I suggest the extremely versatile US$5 Chinese HC-12 transceiver modules. I import these directly from Satisfy Electronics in China (freight free too), & all my work with them has been PICAXE related (& GUI config). HC-12 now have significant Arduino/Instructable exposure, so suggest checking the likes of this => https://www.instructables.com/id/Long-Range-18km-Arduino-to-Arduino-Wireless-Commun/Regards- Stan.

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  • manuka commented on manuka's instructable Introducing LoRa™ !1 month ago
    Introducing LoRa™ !

    Scios: Mate- Google may well be our friend but years of browsing experience can refine ! Aside from this I fincreasingly feel that almost no UHF radio link may be up to your cousins monitoring challenge. His 8000 hectares spread is "equivalent" to a rectangle of sides 40 km x 20km for heavens sake. Aside from the terrain (which you STILL have not clarified) the curvature of the earth may well come into play for UHF signals propagated from near the ground. And being water holes they probably WILL be at ground level ( or even below) - your cousin may need to erect significant TALL masts to raise the trasmitters high enough for coverage. To put terrain in pespective consider my harbour side Wellington location. In FRONT we've a clear view across water & can see NZ's So...see more »Scios: Mate- Google may well be our friend but years of browsing experience can refine ! Aside from this I fincreasingly feel that almost no UHF radio link may be up to your cousins monitoring challenge. His 8000 hectares spread is "equivalent" to a rectangle of sides 40 km x 20km for heavens sake. Aside from the terrain (which you STILL have not clarified) the curvature of the earth may well come into play for UHF signals propagated from near the ground. And being water holes they probably WILL be at ground level ( or even below) - your cousin may need to erect significant TALL masts to raise the trasmitters high enough for coverage. To put terrain in pespective consider my harbour side Wellington location. In FRONT we've a clear view across water & can see NZ's South Island ~40km away across Cook Strait, but immediately BEHIND me are a range of thick bush clad hills that rise to 1000 metres. Even a 5 Watt PRS handheld is pushing to get a km in the latter.All up - & since his spread is obviously a commercial business- tell him to take a look at drone planes that can fly a programmed waterhole circuit & take pix for him to view. Copters have too short a flight time (approx 10min) but planes of course have wing lift & some FPV (First Person View) ones can stay up for MUCH longer.Stan.

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  • manuka commented on manuka's instructable Introducing LoRa™ !1 month ago
    Introducing LoRa™ !

    Kiwi firm Gallagher's approach is essentially water TANK level monitoring, which is probably less prone to stock mischief.& vegetation etc than open ponds/dams. A quick Google shows an Australian firm seemingly offering similar, with the 2 way radio gear off the shelf UHF CB PRS handhelds! See => http://www.electrosense.com.au/uhf-telemetry.htm But you can't beat "management by walking around" on a farm! There may be the likes of sick/dead cattle polluting the pond that a sensor would not register. Here in NZ some farmers are already using agricultural drones to check crops, stock, gates & dams etc - ranges of the on board video camera can be several km ! See a recent ag. drone review => https://bestdroneforthejob.com/drone-buying-guides/agriculture-dron...see more »Kiwi firm Gallagher's approach is essentially water TANK level monitoring, which is probably less prone to stock mischief.& vegetation etc than open ponds/dams. A quick Google shows an Australian firm seemingly offering similar, with the 2 way radio gear off the shelf UHF CB PRS handhelds! See => http://www.electrosense.com.au/uhf-telemetry.htm But you can't beat "management by walking around" on a farm! There may be the likes of sick/dead cattle polluting the pond that a sensor would not register. Here in NZ some farmers are already using agricultural drones to check crops, stock, gates & dams etc - ranges of the on board video camera can be several km ! See a recent ag. drone review => https://bestdroneforthejob.com/drone-buying-guides/agriculture-drone-buyers-guide/ Stan.

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  • manuka commented on manuka's instructable Introducing LoRa™ !1 month ago
    Introducing LoRa™ !

    Scois: MATE - an 8000 acres "farm" & 20 km links ( LoS ?) , along with seemingly a mission critical stock watering need ! We are NOT talking hobby farm/kids stuff here, & I suspect the application is also VERY commercial.Thought for the future - specify the setup RIGHT at the beginning of a technical request so helpers can better get an handle on things.At least in outback Queensland you should have plenty of sun for solar charging, but the implications of something falling over are pretty profound... I was raised on a NZ farm & well know how even simple things (stock hi jinks etc) can cause mischief...25 mW LoRa at 433 MHz may just do but I'd say that UHF CB "PRS" channels 21 & 22 are best suited. These legally allow 5 Watts TX power & are ...see more »Scois: MATE - an 8000 acres "farm" & 20 km links ( LoS ?) , along with seemingly a mission critical stock watering need ! We are NOT talking hobby farm/kids stuff here, & I suspect the application is also VERY commercial.Thought for the future - specify the setup RIGHT at the beginning of a technical request so helpers can better get an handle on things.At least in outback Queensland you should have plenty of sun for solar charging, but the implications of something falling over are pretty profound... I was raised on a NZ farm & well know how even simple things (stock hi jinks etc) can cause mischief...25 mW LoRa at 433 MHz may just do but I'd say that UHF CB "PRS" channels 21 & 22 are best suited. These legally allow 5 Watts TX power & are specifically assigned for just such telemetry & telecommand applications. Regards- Stan.

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  • manuka commented on manuka's instructable Introducing LoRa™ !1 month ago
    Introducing LoRa™ !

    Scios: Ahem- although that board at http://www.ebay.com.au/itm/1Pcs-3Km-433Mhz-Sx1278-Lora-Long-Distance-Wireless-Data-Transmission-Module-Ic-S-/302134571083?hash=item46589fb04b:g:RScAAOSw44BYJH22 is billed as "LoRa" I seriously doubt it! Semtech LoRa products are 7 pins aside & labelled Semtech/SX or HopeRf (2nd sourced). That " 8 a side" chip looks an STM micro. The sockets imply some sort of stacking is needed for yet another board - which is probably actually an SPI LoRa module... Range is appealing BUT so is reliability & good data rates. Again I say you REALLY need to start simply (perhaps with HC-12) & gain 433 MHz experiences. Folks can waste SO MUCH TIME & MONEY otherwiseI also again point out that NZ/Aus 433 MHz regs allow ONLY 25 mW (mil...see more »Scios: Ahem- although that board at http://www.ebay.com.au/itm/1Pcs-3Km-433Mhz-Sx1278-Lora-Long-Distance-Wireless-Data-Transmission-Module-Ic-S-/302134571083?hash=item46589fb04b:g:RScAAOSw44BYJH22 is billed as "LoRa" I seriously doubt it! Semtech LoRa products are 7 pins aside & labelled Semtech/SX or HopeRf (2nd sourced). That " 8 a side" chip looks an STM micro. The sockets imply some sort of stacking is needed for yet another board - which is probably actually an SPI LoRa module... Range is appealing BUT so is reliability & good data rates. Again I say you REALLY need to start simply (perhaps with HC-12) & gain 433 MHz experiences. Folks can waste SO MUCH TIME & MONEY otherwiseI also again point out that NZ/Aus 433 MHz regs allow ONLY 25 mW (milliWatts) transmitter power.WHAT EXACTLY ARE YOU TRYING TO DO WITH THIS RADIO GEAR, WHERE (city/rural etc) & WHAT BUDGET ???? Stan..

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  • manuka commented on Dr_Acula's instructable Simple Arduino Wireless Mesh1 month ago
    Simple Arduino Wireless Mesh

    Scois: WHOA THERE on high power modules - at 433 MHz Kiwis & Aussies (you seemingly are in Brisbane?) are allowed just 25 milliWatts transmitter e.i.r.p. ( effective isotropic radiated power)... Stan.

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  • manuka made the instructable Simple Arduino Wireless Mesh1 month ago
    Simple Arduino Wireless Mesh

    Scois: Modest blush - glad those pages were helpful! Happy to help BUT you really need to roll up your sleeves & get some UHF RF hands on I'd say. For this the HC-12 modules ( which most certainly are NOT LoRa) are ideal.Chinese firm Chengdu EBYTE offer a E32-TTL-100s1 TTL friendly LoRa module that may be superior & cheaper that Dorji's. I have some here but have yet to explore d features. See =>https://cdebyte.en.alibaba.com/product/60459293814-803162175/E32_TTL_100S1_3km_SX1278_LoRa_433MHz_wireless_rf_transmitter_and_receiver_module.htmlWhere are you ??? Regards- Stan. ( Wellington, NZ)

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  • manuka made the instructable Introducing LoRa™ !1 month ago
    Introducing LoRa™ !

    Scois: I remain a keen LoRa man, but confess to not progressing on from Dorji's TTL friendly " two chip" DRF1278DM. The SPI "single chippers" of HopeRFare certainly smaller & cheaper, but their software can be much more demanding. In fact some Chengdu EByte E-32-TTL-100s1 Chinese modules just to hand may be tempting, especially since they are US$6-$9 each. I've yet to give them a whirl, but you may stimulate me into doing so ! See =>https://cdebyte.en.alibaba.com/product/60459293814-803162175/E32_TTL_100S1_3km_SX1278_LoRa_433MHz_wireless_rf_transmitter_and_receiver_module.html Regards- Stan

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  • manuka made the instructable Simple Arduino Wireless Mesh2 months ago
    Simple Arduino Wireless Mesh

    Dr_A: Long time no hear! Did you consider Semtech's wonderful LoRa devices ? LoRa ranges are typically an order of magnitude BETTER than similar 433 MHz modules. Yes - km instead of 100s of metres & great punch thru' bush & timber buildings. See => https://www.instructables.com/id/Introducing-LoRa-/Aside from these darlings, Chinese sourced HC-12 transcievers have fast tending THE peferred 433 MHz module, especially when compared with classic ASK. Prices are under US$5 (with free p&p), & config. via a Kiwi sourced GUI makes their use a breeze. Regards- Stan. ( "Manuka" from PICAXE Forum)

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  • manuka commented on manuka's instructable Introducing LoRa™ !5 months ago
    Introducing LoRa™ !

    Thanks for the link =>http://www.makerfabs.com/fabs/index.php?route=product/product&product_id=131&search=LoraThe 2014 era Instructable, although PICAXE related, was intended .(at that time). to outline/verify (in a cost effective manner) Lora issues, settings & claims

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  • Long range, 1.8km,  Arduino to Arduino wireless communication with the HC-12.

    Don't know who this "range" request is for, but my response is that it depends on the RF environment, transmitter power & local band noise ! LoS (Line of Sight ), with simple ~165mm wire whip antenna & elevated I managed a good 500 metres with controlling PICAXE's at both ends. However at ground level thru' typical urban clutter (mostly wooden buildings here in NZ) I was lucky to get 100 metres. The spring antenna in my trials was NOT as good as the wire, so you'd perhaps max a few 100 metres in open space & under 100 metres in built up urban areas ( less if solid walls & conctrete etc).If you want more range then I can HIGHLY recommend Semtech's LoRa™ technology, which give km instead of 100s of metres. See => https://www.instructables.com/i...see more »Don't know who this "range" request is for, but my response is that it depends on the RF environment, transmitter power & local band noise ! LoS (Line of Sight ), with simple ~165mm wire whip antenna & elevated I managed a good 500 metres with controlling PICAXE's at both ends. However at ground level thru' typical urban clutter (mostly wooden buildings here in NZ) I was lucky to get 100 metres. The spring antenna in my trials was NOT as good as the wire, so you'd perhaps max a few 100 metres in open space & under 100 metres in built up urban areas ( less if solid walls & conctrete etc).If you want more range then I can HIGHLY recommend Semtech's LoRa™ technology, which give km instead of 100s of metres. See => https://www.instructables.com/id/Introducing-LoRa-/

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  • Discover Electronics With Snap Circuits Arcade (A Review)

    Bravo - although indeed a tad costly the Arcade's POV display should REALLY appeal to youngsters! Quite some years back (~2008) I PICAXEd a basic snap kit's sound module to very good effect. This proved cheap, versatile & very educational. See =>https://www.instructables.com/id/quotSnap-connectorquot-PICAXE-microcontroller/

    Bravo - this POV display should REALLY appeal to youngsters! Quite some years back (~2008) I PICAXEd the snap kit sound module to good effect. See https://www.instructables.com/id/quotSnap-connectorquot-PICAXE-microcontroller/

    Bravo on posting this - the whizzing POV display should REALLY appeal to youngsters! Quite some years back (~2008) I gutted & PICAXEd snap kit sound modules to good effect. See=>https://www.instructables.com/id/quotSnap-connectorquot-PICAXE-microcontroller/

    Bravo on posting this - the POV display should REALLY appeal to youngsters! Quite some years back (~2008) I PICAXEd the snap kit sound module to good effect. See https://www.instructables.com/id/quotSnap-connectorquot-PICAXE-microcontroller/

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