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#302 We build a 20 Dollars LoRa Satellite Ground Station and we follow the FossaSat-1 launch

Andreas Spiess · Youtube · 21 HN points · 0 HN comments
HN Theater has aggregated all Hacker News stories and comments that mention Andreas Spiess's video "#302 We build a 20 Dollars LoRa Satellite Ground Station and we follow the FossaSat-1 launch".
Youtube Summary
Ordinary Satellite Ground Stations cost millions. We will build one for 20 dollars for the newly launched LoRa satellite. Let’s build it in parallel to the launch of the Electron spacecraft from Rocket Lab. Will it be successful? In my last video, I announced that the 16-year old Julian Fernandez and a small team built FossaSat-1. We will accompany the launch and in parallel, we will build a Ground Station and test it with the real satellite. Will it work?
I am a proud Patreon of GreatScott!, Electroboom, Electronoobs, EEVblog, and others.

Links:
Fossa Systems: https://fossa.systems/
Donations here (for the next one): https://www.gofundme.com/f/fossasat1-la-democratizacion-del-espacio
Ground Station Software: https://github.com/G4lile0/ESP32-OLED-Fossa-GroundStation
TLE File: https://drive.google.com/file/d/1g0GWEwvYPk8Yy_cBStU0Puzw3HM9j4F5/view?usp=sharing
Sensor Software (experimental): https://github.com/G4lile0/FossaSaT_Sensor_Transmission_PoC
Gpredict Download: http://gpredict.oz9aec.net/download.php
Join Telegram group: https://t.me/joinchat/DmYSElZahiJGwHX6jCzB3Q
Get MQTT credentials after test phase): https://forms.gle/3Mm74mGdGxvQyJC9A
Map of stations: https://fossa.apaluba.com/worldmap/
Discord Channel for support: https://discord.gg/YP8YZ8g
For the moment, the TTGO boards seem not be supported by the satellite. Better use an ESP32 and this board: http://s.click.aliexpress.com/e/kRL6uyYY
TTGO 433MHz board: http://s.click.aliexpress.com/e/4nF6NXM8 or http://bit.ly/2RzzTSZ
RFM95 433MHz: http://s.click.aliexpress.com/e/F2BMWYSM

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I am a proud Patreon of GreatScott!, Electroboom, Electronoobs, EEVblog, and others.
Supporting Material and Blog Page: http://www.sensorsiot.org
Github: https://www.github.com/sensorsiot
My Patreon Page: https://www.patreon.com/AndreasSpiess
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Hacker News Stories and Comments

All the comments and stories posted to Hacker News that reference this video.
Sep 18, 2020 · 21 points, 2 comments · submitted by Osiris30
ncrmro
Lora is super cool, I’ve tested it up to .25 miles with one inside my apartment blocked by trees and or worked great.

But the amount of data is very small without doing any sort of buffer.

It works great if your sending about three numbers max per transmission (think this sensors temp is 103).

When sending text you need to convert to binary or some encoding scheme and fill a buffer or your message will be cut off.

I didn’t play around with Lora WAN which is supposed to handle lots of this logic.

zamadatix
Yeah unless you've got a ton of devices that actually fit the LoRa use case and you plan on leaving them all on all the time I've found good ol' raw radio mode to be much more useful.
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