Hi,

I need a consultant to do the firmware-designs for two datalogger projects.

The first project is a one channel datalogger, based on a PIC16LF873, contains a
 8Mbit serial eeprom
and a Crystal adc (SPI-type).
Communication is done via RS232 to the PC. The firmware contains the following o
ptions:
1. Start of recording time at once ar at any future time.
2. Stop of recording time at any future time
3. Measurement intervals: selectable between 1 second and 12 hours in 1 second s
teps
4. Some routines for the cystal adc have to be written ( calibration options )
The hardware design is finished.
The project should be finished before the end of this year.

The second project is a 4 channel datalogger, also based on a PIC16LF873, contai
ns 4x 16(or 32)Mbit
serial eeproms and 4x 24bit adcs.
This datalogger contains also a precision dgps receiver which acts also as a acc
urate timing
reference.
Communication options are:
1. RS232 communication
2. RS485 communication
3. RS232 communication through a built-in gsm modem module.
Some of the firmware options:
1. Start of recording at once or at any future time
2. Stop of recording at any future time
3. Standard Measurement intervals from 1 second to 12 hours in 1 second steps
4. Optional: Continous measuring on fastest speed possible
5. The position data of the gps module is recorded along with the measurement da
ta.
The hardware design is currently in progress and I might need some help on that
too.

If anybody is interested in either one of this projects, please contact me only
privately at
thomas@simnet.is
Please include information about your knowledge- level ( experience ) on PIC- pr
ogramming and some
approx. payment expectations.

Best Regards,
Thomas Fleckenstein

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ECOMIS
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Iceland

Tel.:    + 354 565 8049
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