Measuring unit a alarm systems pre-insulated pipes
por 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.
Sobre Mim
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.