The magnetometer is designed for low-power operation, simple installation and ease of construction. The entire design is open source, allowing anyone with reasonable soldering ability to construct one.
The magnetometer has two major parts, the base unit and the sensor unit. The sensor unit is located outdoors, away from buildings, cars and other sources of human disturbance. It is battery powered and communicates with the base unit by a radio link (433MHz or 868MHz), enabling the sensor to be installed without any wiring to the base unit. The base unit is placed indoors and should be positioned such that there are the minimum number of walls between it and the sensor unit.
If you are interested in building your own magnetometer please contact us for more information.