Puput Dani'e

https://www.thethingsnetwork.org/forum/t/spreadsheet-for-lora-airtime-calculation/1190/35

https://ppt-online.org/55261

https://lora.readthedocs.io/en/latest/ link budget and Sensitivity LoRa calculator http://www.techplayon.com/lora-link-budget-sensitivity-calculations-example-explained/

https://tech-journal.semtech.com/long-range-with-lora

http://cyberspaceandtime.com/bkPAyTGk3fA.video+related fspl calculator https://www.pasternack.com/t-calculator-fspl.aspx Presentasi and Slide about LoRa and LoRaWan From TTN https://www.3mbang.com/p-4581485.html https://www.youtube.com/watch?v=T3dGLqZrjIQ calculator FSPL https://www.everythingrf.com/rf-calculators/free-space-path-loss-calculator https://www.pasternack.com/t-calculator-fspl.aspx material kind https://smartmakers.io/en/lorawan-range-part-1-the-most-important-factors-for-a-good-lorawan-signal-range/ Kerlink LoRa Technology https://www.kerlink.com/iot-portfolio-and-technologies/technologies/lora/ LoRa content / 2020 https://www.thethingsnetwork.org/conference/#ttc-content

https://www.hackster.io/technopaths/heart-rate-monitor-using-iot-ddafca

https://dsp.stackexchange.com/questions/46239/conversion-between-eb-n0-and-snr-in-spread-spectrum-modulation-like-lora-css

http://hyperphysics.phy-astr.gsu.edu/hbase/Waves/powstr.html https://www.rfwireless-world.com/calculators/Eb-N0-and-BER-calculator.html

LoRa Library https://github.com/sandeepmistry/arduino-LoRa/blob/master/API.md

http://www.arduinoproducts.net/products/mh-et-live-max30102-heart-rate-sensor-module-puls-detection-blood-oxygen-concentration-test-for-arduino-ultra-low-power/ Code https://github.com/MHEtLive/MH-ET-LIVE-max30102/tree/master/Arduino%20code/MH_MAX3010x_Sensor_Library-master/examples/Example2_Presence_Sensing all code https://github.com/sparkfun/SparkFun_MAX3010x_Sensor_Library/tree/master/examples library #include "MAX30105.h" Add on  Management Library with buzzer and adafruit lcd https://create.arduino.cc/projecthub/SurtrTech/measure-heart-rate-and-spo2-with-max30102-c2b4d8 the originally data sensor https://makersportal.com/blog/2019/6/24/arduino-heart-rate-monitor-using-max30102-and-pulse-oximetry

https://www.loratracker.uk/lora-signal-quality-rssi-or-snr/

https://wiki.dragino.com/index.php?title=Communicate_with_MQTT

https://wiki.dragino.com/index.php?title=Connect_to_GPSWOX

https://zakelijkforum.kpn.com/lora-forum-16/spreading-factor-sf-time-on-air-and-adaptive-data-rate-10908