The Fusion Frequency to Voltage Sensor converts a signal between 0Hz and 650Hz into a 0v to 4.5v output that the Fusion Brain can read from an analogue input.
Please note: This is a hobbyist grade product. As such, limited or no documentation is included with it and advanced technical skill may be required to use it. Help may be available on the mp3Car.com forums or by contacting technical support at our store. By purchasing this product, you acknowledge these disclaimers.