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Android Tablet - simultaneously charge and USB host using OTG cable

$30-250 USD

Закрито
Опублікований about 5 years ago

$30-250 USD

Оплачується при отриманні
SUMMARY: I need a custom kernel modification to my android tablet to allow "accessory charging" mode so I can simultaneous charge and act as a USB host using the OTG cable. Standard micro USB OTG cables have pin 4 and 5 shorted, and I think i will need to add a resistor between these pins, but that is not a problem. BACKGROUND: I am currently working on a project that requires both continuously powering an Android tablet through micro-USB port and using that same Android tablet as USB host to a smaller hardware device. I researched online to find the USB on-the-go (OTG) cable with pins 4 and 5 shorted out allows the tablet to become a USB host. I have tested my tablet and hardware accessory with this wiring and it will work. However, when I try to add 5V to the USB cable to also charge the Android, the host feature no longer works. After further investigation I learned that it is possible to do both functions simultaneously if there is a 100k to 125k Ohm resistor added between pins 4 and 5 of teh micro USB cable. I tesetd this with the two different tablets I will be using for thi sproject and neither worked. From what I have read, there are Android kernel modifications required to enable this feature which is called "accessory charging". The purpose of this project is to have an experienced engineer evaluate both the hardware for compatibility and assist me in writing a kernel modification to enable this feature. HARDWARE: RCA Voyager 7" tablet [login to view URL] Yuntab E607 tablet: https://www.amazon.com/Unlocked-Android-Quad-Core-1024x600-Supported/dp/B01I6AO2HM/ref=sr_1_3?ie=UTF8&qid=1549900339&sr=8-3&keywords=yuntab+E706 Numato Labs USBGPIO8 digital output module: [login to view URL]
ID проекту: 18703914

Про проект

3 пропозицій(-ї)
Дистанційний проект
Активність 5 yrs ago

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3 фрілансерів(-и) готові виконати цю роботу у середньому за $187 USD
Аватарка користувача
Hi, I’ve carefully gone through your job post. I have more then 8+ years experience in Mobile app development.I am very much interested in your project with all of your requirements. I feel very confident on your project and You will get the "Best Result" if you work with me. I work hard and you will surely get the result in a promised time. I can start working immediately. You will see my career in my profile. Looking forward to discussing with you the details. Best regards.
$155 USD за 3 дні(-в)
4,7 (12 відгуки(-ів))
5,3
5,3
Аватарка користувача
Hi there, I’ve read your brief and can see that you’d like to done a project. My team has 8 years experience designing and developing mobile apps for iPhone and Android and web apps. I would approach your project by starting with wireframes and getting the design completed, before starting the actual development phase. I am highly qualified for this project and would love to speak with you further about taking this project on. If you'd like to view my previous work, take a look at my Portfolio.
$155 USD за 3 дні(-в)
0,0 (0 відгуки(-ів))
2,5
2,5
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Hello there, ThinkStartPL is a team of developers, Designers (UI/UX) and project managers with 5+ years experience. I have gone through the job description and We are ready to accept this project and can start work immediately. Skills: Php, .Net, C#, asp.net MVC, RoR, Python, WordPress, Magento, AngularJS, NodeJS, ReactJS Mobile: Android and iOS including react and native. Let's connect over chat and discuss
$250 USD за 7 дні(-в)
0,0 (0 відгуки(-ів))
0,0
0,0

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Прапор UNITED STATES
West Bridgewater, United States
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На сайті з вер. 26, 2014

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