4 ms·
Must this really involve a smartphone? Couldn't it just show the number on a 7-segment LCD? Would be much longer lasting and not dependent on app and smartphone
by Aardwolf 6y ago
Must this really involve a smartphone? Couldn't it just show the number on a 7-segment LCD? Would be much longer lasting and not dependent on app and smartphone version of the month and probably more convenient too than plugging it in, starting an app, having the app ask to be updated, having wet fingers since it's in a kitchen, ...
- jlg23 6y agoI am not sure home kitchens are the market for a sensor that requires to dissolve the chilies in ethanol...
- jrootabega 6y agoSounds like a good tool for bar bets.
- purplecats 6y agosure, if the purpose was to provide value to the end user. the purpose is to provide value to the owners of the app.
- deleted 6y ago[deleted]
- GuB-42 6y agoA smartphone has plenty of computing power and the app can be easily updated, giving off more flexibility to interpret raw sensor data. It also removes the need for a battery. Smartphones make things much easier for the developer. Maybe the next version will have a display to show the number without a smartphone.
- resoluteteeth 6y agoThat would be a valid complaint if it was a commercial product, but since it's just a journal article I think they just designed it however was convenient for them. Also, this way it seems like they could just connect an off-the-shelf sensor part with a usb c connector and call it a day, rather than having to connect the sensor to a esp8266, display, and battery.
- archgoon 6y agoFrom the abstract: > The sensor consists of three components: (i) a small potentiostat device, (ii) an interface allowing connection to a smartphone for monitoring and control, and (iii) the sensor (an N-doped GrNPs/ePAD and detection chamber) It sounds like the smartphone isn't a display. It's the main driver, data collector, and filter of the device.