FiPy

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  Trouble with deepsleep example
  fipy deepsleep • • matt  

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  @Erick-Falcon Why did you post that here? It is not related to the topic.
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  Help wanted NB-iot issue
  • AM  

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  Interfacing with AM2320 on FiPy over I2C?
  • zwarcola  

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  Hi, @zwarcola I saw this post and was curious if you managed to find the solution for your problems, or did you just catch the error and then keep going.
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  fipy with pytrack and pysense - Possible?
  • chucki  

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  @chucki If you just need the GPS from pytrack, it is easier to use pysense and an external serial GPS breakout, which is connected to an UART port. Take care to get a PySense V2 module.
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  This topic is deleted!
  • ivas9090  

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  Trying to get LTE connection working
  • netskink  

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  Unable to update firmware or use REPL on a new fipy
  • audunab  

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  @Gijs It shows up as a com port like this:
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  Cannot attach after modem upgrade
  • jorri  

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  I flashed an earlier version onto the modem and now i get a connection, but it seems to disturb the serial communication to the console.
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  FiPy , connecting to Orange LTE-M (France) , any informations ? [Solved]
  • stef  

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  @stef said in FiPy , connecting to Orange LTE-M (France) , any informations ? [Solved]: lte.send_at_cmd('AT+COPS=?') Hello! I am using fipy to connect Orange LTE-M in France and after many attemp, I still do not have any results "lte.isattached()" allways false. Can anybody help me please.
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  No connection to LoRaWan
  • lloureiro  

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  Hi, I submitted a pull request to update the docs in OTAA to remove confusion. The dev_eui should either be set in the TTN portal to the LoRa MAC of your device, or the dev_eui in the code should be changed to reflect the one provided by TTN. This is stated somewhere in the docs in more detail :) Best, Gijs
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  Fipy-pysense uart
  • AlganEren  

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  Hi, There are additional UART pins available through P3 and P4 of te Fipy (https://docs.pycom.io/datasheets/development/fipy/) You can use Tx1 and Rx1 as UART1 from the following example: https://docs.pycom.io/firmwareapi/pycom/machine/uart/#app. You are also able to use a software-implemented UART using other pins. Hope that helps!
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  Improve stability on connection with AWS
  fipy aws connect issues aws iot stability • • nervencid  

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  SigFox downlink issue with FiPy
  • c42  

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  @Erick-Falcon said in SigFox downlink issue with FiPy: there are some things datas that I don't know where I will get like Url pattern and Use HTTP Method, could you help me? Well, i am sorry but i dont understood how i can help you ? Basically sigfox call back is GET/POST method with generic json pattern For me it's a simple json GET defined by http://MYSERVERNAME/?device={device}&time={time}&data={data}&ack={ack}&seqNumber={seqNumber} And my server is a simple http/python server that listen for field filled by sigfox backend and sent to me. If myserver know they are some data to send to the device in answer to get it send a http code 200 with downlink data as explained here https://github.com/sigfox/sigfox-downlink So, finally your device message is available on sigfox backend ?
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  About ADC Calibration and usage
  fipy adc adc accuracy adc precision calibration • • nervencid  

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  @cocoa Thank you for your answer
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  Can i read AWS certificates from a SD CARD?
  fipy sd card aws aws mqtt certificate • • nervencid  

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  FiPy Temperature Sensor
  • lloureiro  

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  @lloureiro so the answer depends on what temperature you want to measure: the CPU temperature or the ambient temperature. For the former you can use machine.temperature as suggested by @rcolistete For the latter you’ll need an external sensor. The Pysense board has one (though at least on the first version it wasn’t perfect due to not being isolated enough from sources of heat such as the CPU, IIRC). Or you could connect any external temperature sensor using SPI or I2C or any number of other interfaces. I would not recommend a sensor with an analog output as the ESP32 ADCs are not very precise.
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  MQTT Over LoRa
  • lloureiro  

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  @lloureiro in general you won’t run MQTT over LoRaWAN (MQTT is way to verbose for the very bandwidth-constrained LoRa), but many gateways/network servers will be able to convert LoRa packets to MQTT messages.
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  Begginer with some questions about FiPy device
  • lloureiro  

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  Hi, You are absolutely correct about the pin configuration. The pin numbers in the documentation for you Fipy are the correct ones https://docs.pycom.io/datasheets/development/fipy/ The Expansion board pinouts refer to an old standard we no longer use. Your offline expansion board should have the correct labels. To answer your first question, you can look at one of the tutorials here: https://docs.pycom.io/firmwareapi/pycom/network/wlan/ And connect the second uart (TX1 and RX1) to the external microcontroller. The pins connected to Lora/Sigfox are internally connected in the device. On a WiPy, this is not the case, as it does not contain a lora radio. You will indeed not be able to use lora and SPI at the same time, but you can learn more about that here: https://learn.sparkfun.com/tutorials/serial-peripheral-interface-spi/all Hope its still useful to you!
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  Error when importing pysense/pytrack
  pytrack pysense fipy firmware • • adrien3d  

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  @Cormac Yeah the mkfs method has been renamed or just removed. Use os.fsformat('/flash') instead, as i also wrote in my previous post.
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  FiPy and NB-IoT with new Pycom/Vodafone SIM
  • patmolloy  

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