Custom made APM2.5+, APM2.6 specific external compass module
We made easy to use external compass module for APM2.X Flight controllers. If you need to have external compass and you don't want to change your GPSes yet. Here is your best and easiest choice for it.
This module fits directly to your APM2.X boards. If you have APM2.5 board, just disconnect internal compass by disconnecting jumper and add this board.
As board is a standalone board, you can mount it easily places that have least of magnetic interference.
Board comes with connecting cable and it fits directly to external I2C port on APM2.X boards.
If you put components down, connector forward it is same as in 3DR GPS (Manual: Roll 180)
if you put components up, connector forward it is same as standard APM (Manual: None)
Get your from jDrones store: http://store.jdrones.com/APM2_6_Compass_p/jdmagneto02.htm
Price 14.99 USD