23 hakuosumaa

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  Super simple LoraWAN rx for Arduino/SX127x

  #include <SPI.h> #define SERIAL_SPEED        9600 #define LORA_FREQ           869.525 #define STATE_SLEEP         0 #define STATE_STANDBY       1 #define STATE_FSRX          4 #define STATE_RX...

  12.04.2021 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  Arduino/SX1278 - transmit DTMF

  Arduino Uno Dragino Lora Module (SX1278)https://www.arduinolibraries.info/libraries/tone-library https://github.com/jgromes/LoRaLib Quick and dirty. Better with some components, e.g. capacitors. Dr...

  31.07.2020 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  Decoding wM-Bus with Arduino/SX1278

  Hardware: Arduino Due & Dragino Lora Module 868 MHz (Semtech SX1278)https://en.wikipedia.org/wiki/Meter-Bus http://uu.diva-portal.org/smash/get/diva2:847898/FULLTEXT02.pdf #include <SPI...

  05.07.2020 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  Experimenting with URH sniff protocol + SX1278/Arduino

  HW: Arduino Due + Dragino Lora Module (Semtech SX1278) SW: Universal Radio Hacker, LoraLib for Arduino 435 MHz FSK 4800 bps 0xAA preamble + 8 sync bytes, no FSK data shaping. https://i.ibb.co/6s29rW...

  12.06.2020 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  SX1278 OOK waveform view with C# chart control - 4

  Oscilloscope "moving effect" lookalike         private void timer1_Tick(object sender, EventArgs e)         {             if (_run)             {                 for (int i = _index; i < _xValue...

  02.02.2020 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  SX1278 OOK waveform view with C# chart control - 3

  https://github.com/OH1GIU-P/SxWavePlot Without datasource. Add new received values to chart         private bool _run = false;         private ArrayList _xValues = new ArrayList();         private i...

  19.01.2020 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  SX1278 OOK waveform view with C# chart control - 2

  Dragino Lora Shield (Semtech SX1278) Arduino Due Visual Studio, C# Chart cannot be updated in serial port datareceived event (Collection was modified; enumeration operation may not execute). One solu...

  19.01.2020 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  SX1278 OOK waveform view with C# chart control

  Dragino Lora Shield (Semtech SX1278) Arduino Due Visual Studio, C# Arduino code #include <SPI.h> #define SERIAL_SPEED        57600 #define BPS                 1200 #define FREQ             ...

  12.01.2020 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  Viewing OOK waveform with Arduino/SX1278

  Arduino Uno Dragino Lora module (Semtech SX1278) https://wiki.dragino.com/index.php?title=Lora_Shieldhttps://cdn-shop.adafruit.com/product-files/3179/sx1276_77_78_79.pdf #include <SPI.h> #def...

  10.12.2019 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  Examining 433 MHz sensor signal with SX1278/Arduino

  WX station 433 MHz OOK remote sensor, channel change signal. Arduino Due & Dragino 433 MHz Lora Shield (Semtech SX1278). #include <SPI.h> #define SERIAL_SPEED        38400 #define FREQ...

  08.09.2019 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  Decoding Silvercrest wireless doorbell with SX1278/Arduino

  Equipment used: Dragino Lora Shield (Semtech SX1278 chip) https://wiki.dragino.com/index.php?title=Lora_Shield Arduino Due (Digital pin 7 [DIO2/Data] used for IRQ, so e.g. Arduino Uno cannot be used)...

  24.05.2019 | Kommentteja 2 | Teknisiä laitteita ja ohjelmointia

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  Arduino/SX1278: Mobitex-1200 462.325 MHz ?

  Dragino Lora Module (Semtech SX1278) for Arduino can demodulate FSK, GFSK, MSK and GMSK. SX1278 datasheet: https://cdn-shop.adafruit.com/product-files/3179/sx1276_77_78_79.pdfhttps://cdn-shop.adafruit...

  21.10.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  Semtech SX1278/Arduino manual reset

  Dragino Lora Module: SX1278 reset (Pin 7) is connected to Arduino digital pin 9.https://teknokoodiradio.vuodatus.net/lue/2018/08/poc-pocsag-rx-with-sx1278-arduino #define SX_RESET                    ...

  17.10.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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  POC: Pocsag rx with SX1278/Arduino

  HW: Dragino Lora shield & Arduino Uno. SX1278 continuous mode (https://cdn-shop.adafruit.com/product-files/3179/sx1276_77_78_79.pdf) This is not full decoder, just simple preamble/frame sync/idle ...

  15.08.2018 | Kommentteja 3 | Teknisiä laitteita ja ohjelmointia

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  Investigating POCSAG with GNU Radio & Python

  By using SDR# & RTL-SDR I recorded 32 bit IEEE float baseband file of a POCSAG transmission (450.002 MHz) and examined the signal with PDW + virtual audio cable. PDW displayed ** and data rate 512...

  30.06.2018 | Kommentteja 0 | Teknisiä laitteita ja ohjelmointia

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