Questions tagged [mobile-applications]

For questions relating to mobile IoT applications running on tablets smartphones and the like no matter their OS. Please make sure that the IoT component of the question is paramount otherwise consider asking on the OS or device specific Stack Exchanges.

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Connect esp32 hardware to mobile app (Xamarin.Forms)

Im designing some SmartLED controller (hardware/server) which can turn on/off some ledstrips and do some nice effects etc. and it works on esp32 chip. Now, I was starting to write Xamarin.Forms mobile ...
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Open, Write and read RS232 port Android Studio

I have to do a project with an industrial android screen that consists among other things to open, write and read a serial port. I clarify that my device has rs232 ports (I think that the classic ...
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Does iPhone 11 device contain multiple UWB receivers?

Does iPhone 11 device contain multiple UWB receivers? Angle of Arrival (AoA) is often required for many applications for UWB enabled devices. I wonder if modern UWB enabled devices i.e. iPhone 11 ...
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How to detect the relative direction of two mobile devices?

How to detect the relative direction of two mobile devices? When a mobile device (i.e. a modern smartphone) is taken near to a second mobile device, it is possible to detect inter-device proximity ...
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Is a mobile device to IoT device bluetooth connection possible without pairing?

Let's say I have an IoT device in public that needs to be paid to be used, and people will pay and unlock the device with a mobile app. Is it possible to do so over bluetooth/bluetooth low energy ...
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Samsung SmartThings washer and dryer unable to connect to the app

For the past few weeks I've been unable to use my Samsung SmartThings washer and dryer via the app. I use the notification feature to keep track of completed loads and sometimes use the app to start ...
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Best way to set up a portable local IoT network?

I'm working on a project that requires multiple ESP32s to be able to receive a signal from a smartphone in order to close/open a set of doors. The catch is that this will be happening in a remote area ...
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IoT Reference Implementations for Urban Sanitation [closed]

Does anyone have any good examples of IoT usage in the area of urban sanitation, particularly for low income settings?
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Flutter vs React Native (for building IoT Applications)

Good day Experts! I need your valuable suggestions regarding a very important decision in my development life. I need to know which framework is best suitable for IoT applications like communicating ...
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How to add the feature of adding wifi device or iot device in an app?

I created an application on dyo appypie platform. The platform doesn't have the feature to add any WiFi or IoT device. I am having conversation with developer team, because it is dyo platform they can'...
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IoT applications with heavy-load wireless communications

I am very interested in the examples of IoT applications where a heavy-load (for large amounts of data) wireless communications have to be used. To the best of my knowledge, most IoT devices would ...
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Create an IoT App for iPhone [closed]

After a year of testing, my IoT project come to an end. It operates mainly on RPI0 using Python code, and ESP32 using MicroPython code, all connected using MQTT protocol running on RPI3. Now i;m ...
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How to setup time alarm as a silent vibration?

I've bought a smart bracelet (ID115 by LETSCOM) for its silent alarms as advertised: Wake you up peacefully with a silent alarm. Alarm Alert: Set silent alarms on the tracker to wake you up without ...
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Looking for direction to find a specific hardware

I am struggling finding a specific hardware, here is what I need : Bluetooth Low Energy Beacon good range Button on it to send a signal to my iOS/Android app Possibility to switch off/on (not ...
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8 votes
2 answers
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Set Arlo Mode with SmartThings

If it's possible, how can I set the "Mode" for an Arlo device using a SmartThings Routine? Ideally, I would simply set the camera modes when SmartThings goes into various security modes. I've found ...
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How are cameras utilized in SmartThings?

I'm considering getting an outdoor camera like Ring. Cameras like Ring are listed in the recommended compatible devices in the SmartThings market. So, I'm curious what sort of automation events are ...
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How can I aggregate QS data from different sources on one and unique dashboard?

I would like to automatically aggregate QS data, biofeedback data and neurofeedback data from different applications into one dashboard. Data is collected from; Gear S2, Withings body scale, Withings ...
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18 votes
2 answers
2k views

How do I secure communication between app and IoT device?

I am currently working on a project that includes Bluetooth communication between a mobile application (currently using the Ionic platform) and an embedded device. For comparison, our product is ...
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