The new usb drdaq data logger offers an amazing collection of 15 channels in a compact low cost device thats perfect for hobbyists teachers and technicians it is supplied with full versions of the picoscope and picolog software so that all of its capabilities are ready to use the unit is powered from the usb port so there are no batteries or external power supply to worry about the circuit board of the usb drdaq consist of a microphone light sensor rgb led oscilloscope and resistance