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This project was awarded to jinmeiran for $300 USD.

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Project Description

Develop code for Pic XLP microcontroller that can count pulses (max 50hz, 50% duty cycle).

Must provide some kind of software debouncing.

Utilise energy saving techniques to keep micro in low power mode.

inputs: 3 digital inputs; one for pulse counting and two alarm inputs.

If one of the two alarm inputs go high send alert data packet to Alert Recipients mobile no

Update Report Packet:

Every xx hours send current register data along with status of the two digital inputs along with the battery ADC value 0-9 in a compressed packet format, you decide.

Store the following totalized register pulse count data:

hourly pulse count, last 24 hours

daily pulse count, last 14 days

weekly pulse count, last 8 weeks

monthly pulse count, last 12 months.

Develop protocol to:

Read / Write the RTCC clock

Change the freq at which Update Report packet below is sent to recipients mobile as SMS packet.

Read / Write SMS message Centre

Read / Write SMS recipients mobile no

Read / Write SMS Alert recipients mobile no

Read / Write the status of alert digital inputs

Read / Write (clear) Register data for: hourly, daily, weekly and monthly

All packets must have a CRC calculation.

All Command / responses must be made via UART, IRDA or SMS.

IDE / Language of choice is MPLAB C or MikroC

Awarded to:

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