Skip to content

Cassiopeia Ltd

the joy of making stuff

Menu

  • home
  • workshops
  • kids
  • projects
  • 3Dmaps
  • materials
  • about

Month: January 2022

Trying out the Helium LoRaWAN network [scam alert]

Trying out the Helium LoRaWAN network [scam alert]

How it seems that where I happen to live, none of this network is real.. The Helium network has been growing extremely fast. I had checked coverage on my island of Lantau, Hong Kong in early Dec 2021 and only

Tom 27/01/202228/01/2022 projects 1 Comment Read more

LoRaWAN range experiments

LoRaWAN range experiments

With my indoor gateway, a basic Dragino LPS8, i was able to receive packets from over 500 meters distance, with the standard indoor antenna and the gateway positioned near a window about 10m above ground. I read on the TTN

Tom 24/01/202224/01/2022 projects 1 Comment Read more

Getting started with LoRaWAN

Getting started with LoRaWAN

LoRa is a radio technology for low power long range communication, typically kilometers. It is designed for small data packets and uses certain license-free frequency bands: 433, 868, 915-925 MHz depending on your region. It can be used peer-to-peer to

Tom 13/01/202224/01/2022 projects No Comments Read more

Contact

tom@cassiopeia.hk
www.cassiopeia.hk

Creative Commons Licence
All content of this website is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Recent projects

  • The next Helium scam: earning HNT by generating data traffic over low-cost Data-Only Hotspots?
  • Finding real Helium hotspots in Hong Kong (part 2)
  • Dragino LPS8 LoRaWAN gateway overheating fix
  • LoRaWAN river level sensors
  • Next wave of fake Helium hotspots on Lantau island
Copyright © 2022 Cassiopeia Ltd. All rights reserved. Theme Spacious by ThemeGrill. Powered by: WordPress.