Develope two prototype units fully functional GSM coin payphone and the payphone managment software.
Submit a hard copy of all hardware and software, embedded software and Windows software base.
Use all the functions of the prototype tests carried out at your place.
Hardware spec [url removed, login to view]
Software spec [url removed, login to view]
Casing / housing spec [url removed, login to view]
cost estimate does not include the cost of design products
Hardware cost of USD 150
Casing cost USD 100
I want a GSM coin payphone as in the attachment.
Hardware and functions such as attachment
Use MCU / DSP
Low cost motherboard hardware cost under 80 USD
built in GSM modem attached on the motherboard
low cost 128x64 graphic LCD with backlit
Low cost heavy duty set of phone
Low cost heavy duty keypad
Function of remote software such as attachment
The new design is beautiful and modern housing
Powder coating stainless steel
coin mechanisms, to coin box
coin mechanism to return
A lock for acces motherboard
A lock for coin box acess
overall cost of housing Payphone USD 100
What I expect will be the end of this project
2 units of complete sample function GSM Coin Payphone
Remote software Managment
Hardcopy and softcopy embedded software, source code of windows software base, complete schematic, Gerber files, BOM, CAD / CAM design.
Duration of the project
Test functions and capabilities will be held at the place you
Contact me if you have any questions