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💬 Piglets - IOT Development Board

openhardware.io 22 Jan 2017, 19:56 last edited by openhardware.io 24 Jan 2017, 19:57

https://www.openhardware.io/view/319/Piglets-IOT-Development-Board
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rfm69 60 atmega328 19 node 10 lora 9 low power 9 battery sensor 7 rfm95 6 rtc 5 spi flash 2 external clock 1 eui-64 1
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hek Admin 23 Jan 2017, 10:02 last edited by

Thanks @Doug,

Could you please add the source design files as well.
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topic:timeago_later,21 days

Yeitso 13 Feb 2017, 13:50 last edited by

Could you please update the BoM? only some resistors atm.
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topic:timeago_later,3 months

mfalkvidd Mod 29 Apr 2017, 14:32 last edited by

I'd also like to see the full BOM.
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topic:timeago_later,5 months

hiddenuser 7 Oct 2017, 12:59 last edited by

@doug Can't wait for you to release the BOM
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rfm69 60 atmega328 19 node 10 lora 9 low power 9 battery sensor 7 rfm95 6 rtc 5 spi flash 2 external clock 1 eui-64 1

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Hi, I finally received the boards from the manufacturer(big thanks to @Seeed-Fusion). I manage to assemble one board by soldering the components and such and...it WORKS(including OTA)! I will post the instructions on openhardware.io project page.
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Hey vivek101 how did you connect the NRF24L01 to your home assistant server? Normaly, you connect the nRF to an microcontroller and flash it with a gateway sketch. Then you connect the uC to your server... Regards, Edi
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@mfalkvidd Yes, that’s the one.
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@KevinT yes in general subghz radios have better range than 2.4ghz. I might have farther nodes but for example, I have one rfm69cw at 55m from the GW and it's ok, with many obstacles on the path (7x rock walls, a part of the roof is metallic, metallic doors etc). This depends on many factors of course
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24 Jan 2017, 19:58

Not yet ! In fact, the interrupt must be short enough and fast enough to be sure to not miss the RFM69 interrupts. The code for 8 dimmers will not be really more complicated : in fact, each time we got a zero cross, we must set a timer to zero, and then wait the good amount of milliseconds to turn on the needed outputs. So, yes, we'll have an interrupts each 10ms (each time the wave crosses the zero, to be precise !), but I think all we have to do in the interrupt handler is set the timer to zero (or to micros() ...) and then on the main loop, wait the good amount of time for each output before setting them ON. Seems simple on paper, perhaps it will not work on the chip.... In facts, my main concern is : will the RFM interrupt be short enough to not disturb the zero crossing interrupt ? Although, not yet tested the RFM : do we NEED the interrupt pin ? Can't we poll frequently the RFM?
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23 Jul 2018, 22:11

ok, thanks for reminder.

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