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23 hakuosumaa
Monitoring LoRaWAN - 2
https://teknokoodiradio.vuodatus.net/lue/2017/12/monitoring-lorawan-rx2-869-525-mhz-downlink-channel Modem status, SNR and RSSI. Semtech SX1278 datasheet: https://www.semtech.com/images/datasheet/sx1...
11.12.2017 | Kommentteja 0 |
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Monitoring LoraWAN RX2 869.525 MHz downlink channel
In Finland Digita operates LoraWAN network (ISM 868 MHz) which covers quite a large geographical area. Finnish LoraWAN radio coverage map: https://www.digita.fi/yrityksille/iot/iot_lorawan-verkon_peit...
10.12.2017 | Kommentteja 0 |
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Testing SX1278 fast frequency hopping
https://teknokoodiradio.vuodatus.net/lue/2017/07/sx1278-fast-frequency-hopping With parameters: #define F_START 868 // start freq #define F_STEP 0.025 // 25 kHz step #define F_CH 40 // channels to r...
07.08.2017 | Kommentteja 0 |
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Semtech SX1278 continuous mode & Arduino shiftIn
Dragino Lora Module (SX1278) http://www.dragino.com/products/module/item/102-lora-shield.html can operate in packet and continuous modes. SX1278 datasheet: http://www.semtech.com/images/datasheet/sx1...
04.08.2017 | Kommentteja 0 |
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SX1278 fast frequency hopping
Arduino Dragino Lora shield (Semtech SX1278 chip) can tune into frequency quite fast. Fasthop feature works at best in OOK continuous mode. RegPllHop (0x44) bit 7: Bypasses the main state machine for ...
08.07.2017 | Kommentteja 0 |
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Unid 423.875 & Arduino SX1278
Dragino Lora shield (Semtech SX1278) for Arduino can decode some FSK radiomodem transmissions. I tried to receive this signal (http://www.sigidwiki.com/wiki/Radiomodem_423_875) with the setup and mana...
29.06.2017 | Kommentteja 0 |
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Semtech SX1278 FSK packet mode decoding with Arduino
Short data transmission at 420.0125 MHz which repeats once every minute and is heard in (at least) Pori (town in Finland) central area is probably DMR control channel. Arduino Uno & Dragino Lora M...
25.06.2017 | Kommentteja 3 |
Programming, Electronics, RF
Semtech SX1278 OOK packet mode decoding with Arduino
Dragino Arduino Lora module (433/868/915 MHz versions, Semtech SX127x receiver chip) can modulate/demodulate Lora, OOK and many FSK modes in packet and continuous modes. The packet engine is quite sop...
21.06.2017 | Kommentteja 0 |
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