This article describes how you can use the EM 1000 with an EM 1000-WZ energiemeter on debian and log the values with cacti.. First you need the “ftdi_sio” kernel module. You need the “vendor” and “product” ID before you can use the module. lsusb Bus 005 Device 017: ID 0403:e0ef Future Technology Devices International, Ltd [...]