I am looking for a qualified person with extensive knowledge in GSM/SMS & bluetooth configuration; to custom install a GSM or bluetooth module to a mainboard (F2F TTL Level + RS232C hardware interface) of a magstripe/13.56mhz RF card reader (Model: Panasonic ZU1870 Series)… (Budget: $250-$750 USD, Jobs: C Programming, Electrical Engineering, Electronics, Microcontroller, PCB Layout)
