Tips and test on technological product and components. Operating system, networks, hardware, security…
Astuces et tests autour de produits et composants technologiques, systèmes, réseaux, hardware, sécurité …
With the Solana migration, the Helium ETL has became obsolete, the Proof of Coverage (PoC) data are not anymore on the chain but they can be publicly accessed from an AWS bucket. We are going to see how to access these data and what I’m developing to manage them.
The new baby in Kerlink family has arrived, it’s iZeptoCell ! Ok, I’m a bit late to write this blog post and it came alive a couple of months ago. When I say baby, I really mean baby, no due to its age but more related to its size !
This LoRaWan gateway is really small and can take place in any indoor environment looking like a sensor but providing a wide range connectivity for many devices deploy around. This is a really good option to cover a small / medium company floor up to a building.
This gateway exists with an Ethernet connectivity like the one I’m testing and with a Cellular connectivity, something appreciated when corporate IT dislike having devices on the corporate network.
Bad news yesterday after a power failure on a server, impossible to restart my Helium ETL service: the database has been corrupted and the service is failing with the message “invalid page in block 54206178 of relation base/16384/186119818”
I had to spend time on the web and chatGPT wasn’t helping me (I’m kidding, this bot is stupid) to find a correct way to solve this, luckily, this has been resolved and here is the way I did it.
In this tutorial, we will see how to make an image clustering based AI with the Seeed Wio Terminal and the Grove AI camera. There are different tutorial on this, the main source of this tutorial is located here. The purpose of this is to have a step by-step approach for my student to realize this in a limited time they have.
This is based on SeeedStudio K1100 development kit.
The Dragino LPS8, LoRaWAN gateway is a helium ready device you can add to Helium as a Data-Only. It means it does not participate to PoC but earn HNT for transferring traffic.
It’s not a ready-to-go data-only, so you need to register the hotspot in the helium block-chain on your own but it run the gateway-rs software internally.
This device as been designed for Helium, but not only, it can be connected to TTN or another different network, like a private network. The installation with Helium network is not really complicated but you will need to process some command on a terminal and manipulate wallet-cli.
ChirpStack is an open-source LoRaWAN network server that is being use in a coming future with Helium as a replacement of the console. This blog post explains how to install it with the companion solution I’ve built to interact with Helium router.
The Helium Chirpstack environment is still in Beta. This blog post requires you to own an OUI. It is still in debug, follow it at your own risk. If you own a OUI, earlier you start testing, better it is. Software is in beta – production on different OUI.
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