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Why would you add a reasonably expensive ADC+microphone if you can just use BLE that's likely to have some other useful purpose for your IoT device? Or, well,
by revelation 10y ago
Why would you add a reasonably expensive ADC+microphone if you can just use BLE that's likely to have some other useful purpose for your IoT device?
Or, well, WLAN or 6LoWPAN, it is IoT after all.
- brian-armstrong 10y agoIn general, I think you are definitely right about this. Sound does have some potentially interesting applications. For example, if you had an exhibit that you wanted guests to interact with, that would probably eliminate many wireless choices. NFC would be a valid option, but not all phones support it, and you might need to make the user install an app. Quiet's sound transmission can work from the browser by using quiet.js. In general I think it's ever so slightly more versatile, or at least until browsers make it easier to access wireless options.
- zokier 10y agoThe use case I had in mind specifically was initial configuration, mainly transferring wlan configuration data to the device. So this would not replace radio interfaces, but instead complement them.