ThingSpeak

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I am working on a LoRaWAN project. My setup consists of 100 or more end-devices talking to a network server through a single gateway (private). My problem now is this. I want the end-devices to belong to one of four groups with each group having a fixed range of spreading factors that can be used. Eg group 1 can only use SF 12, group 2 can only use SF 7, and so on. When an end device sends a join request, the network server should know which group the end device belongs to so it can assign the correct transmission parameter. How can I achieve this? How can I encode the group that each end device belongs to into the join request for the network server, using maybe the AppEui or DevEui or AppKey or something? Any ideas? How can a LoRa end-device specify a priority or interest group when sending a join request to a LoRaWAN network server? Sounds like an intenst project. Can you tell us what the devices are reporting? Do you plan to have them connect to ThingSpeak as well for data processing and visualization? Unfortunatly I'm not familiar enough to help you with your LoRa networking bunching request. You might consider the TTN forum. lora lorawan

ThingSpeak includes an integration with The Things Stack to support collection of data over a long range network. I made a short presentation for this upcoming conference that shows you how to add the ThingSpeak integration to your Things Stack project. The agenda seems to be filled with other useful IoT talks. Here is the information on the conference: Discover the next-generation #LoRaWAN deployments at The Things Stack Conference. Explore advanced LoRaWAN features, cloud integrations and the next-generation #IoT devices at #TheThingsConference - TheThings Stack Edition, online on 28 May 2021! Registrations are now open: – ow.ly/I1PZ30mNt0I #TheThingsConference #TheThingsNetwork #LoRaWAN If you go and see something you like, please feel free to share in this discussion. ThingSpeak and Things Stack for LoRaWan Connected Devices The conference is over, but you can still see the <https://www.youtube.com/watch?v=b9Ga4nwnsTM&list=PLM8eOeiKY7JVbDrARJo28v86xSr7k-SWl&index=17 video I created>. All the other <https://www.youtube.com/playlist?list=PLM8eOeiKY7JVbDrARJo28v86xSr7k-SWl interesting talks> at the conference are also available. Hi Christopher, Thanks for the video. I'm modifying from the sample shown in your video (3:53) to upload battery data to ThingSpeak channel. function decodeUplink(input) { var b = input.bytes; var battery = (b[0] << 8) | b[1]; return { field1: battery }; } Did I get it wrong? Seems like I'm unable to send anything over, and the Test Decoder tool shows this "{}". After changing to the following (reference to documentation): function decodeUplink(input) { var data = {} var b = input.bytes; data.field1 = (b[0] << 8) | b[1]; return { data: data }; } I got this from the Test Decoder tool: { "field1": 3876 } I do see entries in ThingSpeak channel, but the data field appears to be empty or invalid. Could you advise? Thanks. Regards, GC Excellent video! Thanks for sharing your code. I'm not totally clear what the issue is. I know the code I show in the video works for my channel. Ill try sending data from the functions you shared to my channel and see what is happening. Hi Christopher, Thanks for your response. Your video is really helpful. I've managed to get it working using this code: function decodeUplink(input) { var data = {} var b = input.bytes; data.field1 = (b[0] << 8) | b[1]; return { data: data }; } Regards, GC Ill have to fix the video. It seems my working decoder is coming from an old v2 application. Thanks for sharing and helping me get it right! thingspeak lorawan things stack long range wireless