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Cellphone Adapter

$750-1500 USD

Awarded
Posted almost 12 years ago

$750-1500 USD

Paid on delivery
- the adapter is for between a analog phone signal, and the cell phone - the adapter have to do: the adapter have a list with a loth telefonnumbers on it (about 1000), and will match the cellers phone number with the list, and if is the number on the list so the phonecall will blocked before the call is to the real cellphone thats it... extras: - the adapter needs a solution for updates via a little SD Card. (so the list with numbers have to be up the SD Card) - hvae you a solution for the power, electricity from this adapter? -------------- DE Die Aufgabe ist ein Prototypen zu bauen welcher folgende Möglichkeiten bieten soll: - Analoge Telefonleitung geht in den Adapter - Analoge Telefonleitung geht aus dem Adapter - Auf dem Adapter sind verschiedene Telefonnummern beschrieben, welche der Adapter nicht weitergeben darf, er filtert diese Nummern und lässt nur alle anderen durch zum vergleich können Sie sich diesen Link ansehen, und wenn Sie das gefühl haben das Sie so etwas Entwickeln und Herstellen lassen können, dann sind Sie bei uns Gold richtig: [login to view URL]
Project ID: 1670611

About the project

4 proposals
Remote project
Active 12 yrs ago

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4 freelancers are bidding on average $1,325 USD for this job
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hi, i can help.
$1,400 USD in 60 days
4.9 (46 reviews)
6.5
6.5
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Dear Sir, We are Reserach and Development company whose working area are : -Digital Motor Control -Analog Design -Electronic Design -Power Electronics -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux estimation algoritm generation -DSP(TMS320) implementation on motor drive -Low speed application -Torque and speed loop generation -Control algoritms Analog design -Low power distribution -Noissless special opamp based analog circuits -Analog filters -Orcad simulation of several circuits Electronic Design -RF transmitter and receiver -Bluetooh reader and transmitter -Magnetic reader Power Electronics -Implementation motor drive -AC/DC converter -DC-DC converter -Battery charger -Solar inverter -Renewable Energy simulations -Uninterruptle power supplies PCB design -Schematic design by Altium -PCB design by Altium -Power board design -SMPS board design Embedded system -PIC18,PIC24,PIC30 and dsPIC applications -Ardino -MSP430 -Atmel -DSP(Texas Instruments) -Renesas Matlab -Power Electronics simulation -Motor drive -Wind Energy -Solar Energy -Control applications Simulation of Hardware -Orcad Simulation(TI,National, Linear Tech, Maxim libraries) -LTI -National -Matlab Very important Note: References attached. Please look excel file to see projects which we made until now! Note: Payments will be funded as: 1)Initial:%25 2)Second stage:%15 3)Third stage:%20 4)Final stage:%40 Metin Akin
$1,200 USD in 20 days
0.0 (0 reviews)
2.4
2.4
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HI, I can do this with no problems, I worked for many years as electronic designer gaining experience on both analogue and digital design. About power, we can use the telephone line, no large power for electronic is needed. thank you maurizio stefani
$1,500 USD in 20 days
0.0 (0 reviews)
0.0
0.0
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I can do this, i have more solutions.
$1,200 USD in 30 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of SWITZERLAND
Domat/Ems, Switzerland
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Member since Jun 1, 2012

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