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Currentcost Serial Cable

Some time ago my CurrentCost EnviR monitor stopped logging data to the attached Raspberry Pi. Initially I thought this was down to lack of input i.e. flat batteries in the OptiSmart Sensor. On checking this evening it appears that the serial cable, in particular the FTDI chip may have failed – checking around I’ve found the pinout for the cable so may have a go at making my own –

orange/white
orange
green/white (pin 7, data in to currentcost)
blue (pin 4, ground)
blue/white
green
brown/white
brown (pin 8, data out from currentcost)