Measuring unit a alarm systems pre-insulated pipes

par etsby

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.

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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.

$10 $ US / h

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