iTesla is a Teslameter that can measure the strength of a magnetic field by using the built-in compass in the iPhone 3GS. iTesla will show the history of its readings in an easy to ready chart along with the raw X, Y and Z magnetometer values.
iTesla is a Teslameter that can measure the strength of a magnetic field by using the built-in compass in the iPhone 3GS. iTesla will show the history of its readings in an easy to ready chart along with the raw X, Y and Z magnetometer values.