and i guess hands free is a passive(analog) device. it transmits a small signal when we speak and the phone amplifies it. but in my case if my device is not powered then how would the signal pass as my device is an active one?
Hey mgb_phys,
thanks for the reply. but what do you mean by feeding the audio signal as if it came from a hands free kit? how do you think that would help? can you tell me in detail. the signal processing part is not a problem.
i made the device by myself and it is working. the only thing is that i have tried it by connecting it to the usb of the computer. and it works as the usb of computer acts as a host. but when i was trying to use the usb of the phone, it seems it would not work as the manufacturers say that the...
well actually i can not disclose the idea behind it and as to how it is different. it is actually a confidential matter. i would appreciate if you could help me with my basic question of getting power out of the phone. sorry but i hope you understand..
no not a microphone. what i mean is that my device is a circuit that senses speech signal from the neck. and then i wish to send this signal onto a phone. but in order to send i need to power the device on and for that i do not wish to use an external battery due to weight problems and all. so i...
smart phones are cell phone with internet and other advance features. i wish to find a way that could help me get power out from a smart phone. any idea?
Hi, is there a way to get the power out from a smart phone? i wish to power a device on using a smart phone as i would at the end interface the device with the phone. so i do not wish to use an external battery for the device and infact somehow use a smart phone to supply power to the device...