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kriswiner / CMWX1ZZABZ

Collection of sketches using the Arduino core for Murata's CMWX1ZZABZ (STM32L082 and SX1276)
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Sigfox #16

Open jpmeijers opened 5 years ago

jpmeijers commented 5 years ago

The Murata modules has Sigfox support. Is it at all possible to do Sigfox on the Cricket?

kriswiner commented 5 years ago

I don't think so, but Gnat supports SigFox.

On Mon, Mar 18, 2019 at 7:13 AM JP Meijers notifications@github.com wrote:

The Murata modules has Sigfox support. Is it at all possible to do Sigfox on the Cricket?

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kriswiner commented 5 years ago

SFOX is only possible on GNAT.

On Mon, Mar 18, 2019, 10:49 Tlera Corporation tleracorp@gmail.com wrote:

I don't think so, but Gnat supports SigFox.

On Mon, Mar 18, 2019 at 7:13 AM JP Meijers notifications@github.com wrote:

The Murata modules has Sigfox support. Is it at all possible to do Sigfox on the Cricket?

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Highlanderes commented 5 years ago

The Murata data sheet states in 7.3, that their SigFox FW requires pin 1 connected to pin 48, and pin 10 connected to pin 21, and pin 47 connected to pin 46.

In the schematics on Tindie that is not the case (at least GNAT, Cricket and Grasshopper).

The sheet also states in 9 that for LoRa, pin 48 (VDD_TCXO), should be connected to VDD or pin 1 (PA16), which it is not on the Tindie schematics, and LoRa works anyway, so perhaps the Data sheet is just not precise or is referring to another SW?

kriswiner commented 5 years ago

Lots of ways to manage the TCXO. Sigfox can work on Gnat, but not the others.

On Wed, Sep 4, 2019 at 12:33 PM Highlanderes notifications@github.com wrote:

The Murata data sheet states in 7.3, that their SigFox FW requires pin 1 connected to pin 48, and pin 10 connected to pin 21, and pin 47 connected to pin 46.

In the schematics on Tindie that is not the case (at least GNAT, Cricket and Grasshopper).

The sheet also states in 9 that for LoRa, pin 48 (VDD_TCXO), should be connected to VDD or pin 1 (PA16), which it is not on the Tindie schematics, and LoRa works anyway, so perhaps the Data sheet is just not precise or is referring to another SW?

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Highlanderes commented 5 years ago

I see, VDD_TCXO is defined in the Arduino core variant. Why only GNAT then and not eg. Grasshopper?

kriswiner commented 5 years ago

Because we did Gnat later and differently.

On Fri, Sep 6, 2019 at 3:44 AM Highlanderes notifications@github.com wrote:

I see, VDD_TCXO is defined in the Arduino core variant. Why only GNAT then and not eg. Grasshopper?

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Highlanderes commented 5 years ago

Has it been verified?

I prefer the more generel purpose Grasshopper for my new sensor project, and was hoping to learn if there was an easy mod to also use the Grasshopper for SigFox later.

kriswiner commented 5 years ago

Verified? Not sure what you refer to or what verified means but SigFox can work on the Gnat.

If you want to use SigFox with something like a Grasshopper, you can modify the design (open source) to meet SigFox configuration requirements (see Murata data sheet).

On Sat, Sep 7, 2019 at 2:00 AM Highlanderes notifications@github.com wrote:

Has it been verified?

I prefer the more generel purpose Grasshopper for my new sensor project, and was hoping to learn if there was an easy mod to also use the Grasshopper for SigFox later.

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