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Results tagged with android
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user 17178
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.
1
vote
What is the type of chip commonly used in android device as internal memory?
Depends on the phone. They started using NAND, raw flash accessed directly. Then they moved to eMMC, NAND with an embedded controller for better performance. Recently, many have moved to newwer genera …
- 73.4k
3
votes
Accepted
Android USB Accessory as a Device?
It cannot. Most devices are not designed like that. You could avoid usb issues by using Bluetooth instead. And as far as I know, AOA is out dated and not very well supported any more. It stagnated wit …
- 73.4k
1
vote
Android ATtiny arbitrary data communication over USB
V-USB acts like a FTDI or other usb serial IC, so Android Host Mode is still required. …
- 73.4k
0
votes
Accepted
USB male android to audio output
Maybe. Most phones do not have audio over usb. Some do, but it's rare. My phone, a Samsung Avant, has a dock cable that allows usb charging and audio and video out over USB.
It would be more likely …
- 73.4k
2
votes
Smartphone camera wired trigger over audio
Keep in mind the Wired Audio Headset Specification is for devices to conform to Android Specs. … It is required that android devices support the feature, not a requirement that the headset have the feature. Even then, it's just "strongly recommended" that the device support it. …
- 73.4k
1
vote
Working on a high current USB charger
1 and 3 are the same. You likely don't have a load when you are measuring it at first. Most regulators have a minimum load for proper regulation. Once you place a load, it starts regulating in the sta …
- 73.4k
0
votes
Android USB OTG
Normal cell phone or tablet usb ports will not output a voltage on the usb VUSB/VCC or GND pins. OTG usb ports, if supported by the phone, need to be enabled by grounding the ID or Sense pin, before i …
- 73.4k
0
votes
How could I read a digital input (an open/closed switch) from a smartphone without a digitiz...
Current answers about the headset buttons aside, a simple way would be blue tooth button as well. No wires, and easily supported by any app you create. They are very common at the moment, part of the …
- 73.4k
2
votes
Accepted
Data transfer to Android USB Digital Audio device
Can a USB audio class 1 device interface with an associated Android application via AOA?
No. The UAC1 is a Host implementation, the Android device acts as a OTG Host to a usb audio device. … Most android devices (if not all) will not be capable of acting as both on the same bus. Some android devices have multiple usb ports, including one for OTG Host and another for Slave. …
- 73.4k
0
votes
simple way to measure wheel spinning speed with Adroid phone + magnet (and maybe Reed Switch)
Microcontroller measuring a hall effect sensor, a magnet, and a bluetooth module.
Hall effect sensors measure magnetic forces, and are solid state devices. Unlike mechanical relays, they have very hi …
- 73.4k
0
votes
Use USB as an on-off switch
As for usb on most older Android phones, if it doesn't have host mode, you can't do it without an middle man like a usb microcontroller. …
- 73.4k
1
vote
Trigger charge in Android phone using a PIR
In theory, it should. In practice, it depends on the actual phone design, and your setup. You can always invert the PIR output if it's not logic high. But a better idea is simply using a motion detect …
- 73.4k
2
votes
can android phone power a peripheral via usb?
Powering a peripheral from an android device depends on the hardware and the firmware of the device in question. Android the OS is not what enables it. …
- 73.4k
0
votes
Accepted
Bluetooth4.0 vs WiFi in a Android to arduino connection
Wifi-Direct has not been widely used yet, even with inclusion into Android 4.0. You will not find any direct modules for the Arduino that support wifi-direct. …
- 73.4k
0
votes
Android to arduino- best board option for wireless
The third option is a computer (or hacked router) with a serial connection to the arduino, and a program to communicate via wifi with the Android device. This adds an extra layer of complications. …
- 73.4k