Questions tagged [android]
Linux-based Operating System running a Dalvik Virtual Machine produced by Google, typically seen in portable devices such as cellphones, e-book readers, tablets, etc. Not to be confused with Androids in the robotics sense.
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Why USB-C plug doesn’t charge? [closed]
I have multiple USB-C 5V chargers of the same type that do not charge connected android devices. Devices detect charging if these are turned off, but when turned on, no charging icon of any visual ...
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How to force a SLOW charge over USB
It is often asked how to charge faster over USB, but I want to do the opposite, charge overnight as slowly as possible, to preserve battery life.
If at all possible I'd like to limit charge current to ...
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USB serial connection between Raspberry-pi and Android-phone
I have a Raspberry-pi-3-model-B and an Android phone device.
The connections are as follows:
My raspberry pi is connected to my laptop through USB (this is not the important part).
Also, from the ...
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Android phone/tablet and computer does not recognize the 2d lidar connected by type-C [closed]
We are using a lslidar m10 which has a type C interface. It can be connected to the USB A port on a computer and work fine.
Now we look to use the lidar with an android tablet/phone which only has a ...
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NFC module commands/ TagLostException
I am trying to send commands and image data to an NFC module connected to an e-paper display and keep getting TagLostException, probably meaning the command is wrong. I have asked this question on ...
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What type of embedded sytem is used in a mobile phone(cell phone)?
What type of embedded system is used in a mobile?Is it a microcontroller, FPGA or a DSP
According to my understanding the basic and simple mobile phones like nokia 3310 used microcontroller since ...
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How can I buy or build a USB cable that will provide minimum charge current but maintain data conenctivity?
Question: How can I build or buy a USB cable (or hub or adapter or anything) that will limit the charging current to the minimum (0.1A I believe) without obstructing the data lines which would break <...
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What to set on Android/Windows laptop if I want to make them as slave?
I would like to control my Android smartphone/tablet or my Windows laptop using another Android/laptop or Arduino with HC-05 module. I want to control, such as, their volume, camera, microphone, and ...
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Is it possible that writing too quickly to an sd card can result in quicker failure?
I found this post suggesting that writing too quickly to an sd card will shorten its lifespan. The context is an sd card that will be used as external storage on android, written to with rsync. The ...
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Wiring an Android headset with push-to-talk functionality with active electronics to a standard TRRS connector
I'm using an app on an Android phone that creates the possibility to use the phone as radio with PTT. I'm now trying to build headset with PTT that could interface with the phone's 3.5 mm connector. I ...
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Analog Android headphone command circuit not working together with microphone
I'm trying to make a headset with microphone (and stereo audio) for an Android phone. The headset will be connected to a 3.5 mm TRRS jack. I have read the specifications for such devices from Android ...
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How to access modem inside Android mobile from a PC through USB cable? [closed]
Every mobile has a modem inside it, which allows dialing phone numbers and connecting to data/GPRS.
I guess we can send AT commands to all modems in phones.
So if I tear down an Android phone e.g. a ...
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How to send AHD video wirelessly to an Android device (short range ~3m)?
I have an underwater camera (wired to the water surface) which streams AHD digital video to a RG59 connector.
I would like be able to stream the video to an Android device.
It doesn't have to be a ...
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Can't send more than 160 bytes to module using Bluetooth on Android
I am unable to send more than 160 bytes to a Bluetooth (BLE) module from my Android application. I am sending data from my modified FastBle Android app to a microchip RN4871 Bluetooth module. I'm ...
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Multiple simultaneous ESP32 BLE connections to one mobile device
I'm trying to find out if it's possible for at least two ESP32's to maintain active BLE connections with one Android mobile device at the same time.
What I'm basically trying to do is to send analog ...
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