Electronic engineer

$10 USD / Hour

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Belarus (7:55 AM)

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Joined on May 4, 2012

$10 USD / Hour

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Expert in: Software - FreeRTOS, lwIP, USB RNDIS, USB CDC, WebServer, FTP server, Telnet server, MODBUS. Hardware - AtmelAVR, CortexM0, CortexM3, GPS, GSM, RS232, RS485, USB, Ethernet. PCB design - Altium Designer, Eagle.

Verifications

On time

100%

On budget

100%

Accept rate

100%

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Portfolio

The base of the system consists of two non-insulated copper alarm wires located inside polyurethane foam parallel to the conduit pipe. The system measures the resistance between the alarm wire and the conduit pipe.

AtmelAVR, RS485, MODBUS.

Measuring unit a alarm systems pre-insulated pipes

Ttracking device with GPS and GSM connectivity, which is able to get device coordinates and other data and transfer them via GSM network.

PCB design in Altium Designer, 4-layer board.
Software based on FreeRTOS, lwIP. Used WebServer, FTP, Telnet, Com0Com, USB RNDIS.

GPS/GPRS vehicle tracking device

Measuring unit a alarm systems pre-insulated pipes

GPS/GPRS vehicle tracking device

5.0 · 1 Review

1 Review

Embedded C software + porting emWin library to custom LPC1788 based board

Excellent freelancer.