Bitchat – A decentralized messaging app that works over Bluetooth mesh networks

(github.com)

770 points ananddtyagi | 2 comments | 07 Jul 25 00:05 UTC | HN request time: 1.94s | source

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sardine5 ◴[07 Jul 25 03:22 UTC] No.44486454[source]▶

A bit different, as it's mainly for voice - but I made an app 'Murmur : Bluetooth Group Calls' - that lets you hold group voice calls and message via a mesh of Bluetooth LE connections. It's available on Android and iOS. https://apps.apple.com/gb/app/murmur-bluetooth-group-calls/i...

Doesn't really get any downloads, so not sure there's much demand for this - but I use it with some shokz bone conducting headphones for talking to my wife when we're cycling (also for wrangling our two small girls)

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1. Karrot_Kream ◴[07 Jul 25 03:34 UTC] No.44486511[source]▶

>>44486454 #

How's the range on BLE? I was looking at this app for exactly the use case you mentioned but was curious if it worked with varying distances on bike rides

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2. sardine5 ◴[07 Jul 25 03:43 UTC] No.44486558[source]▶

>>44486511 (TP) #

It's somewhat device dependant - but between her Pixel 6 and my Pixel 7 - if we've got line of sight and the handset's not being held to our body (so in a handlebar mount or saddle bag) - 50-75m? I've been victim to the recent Microsoft layoffs, so have a bit of time to work on it at the moment - looking at adding longer range CodedPhy support this week (though that would only be available on Android)

It works best if there's 3 phones though - as it can route via the other if a link drops.

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