joseph4760
USA
Asked
— Edited
There is a Quadtrax on Ebay for $34.99 + $16.99 shipping.
Dual-Axis Compass
— Dual-axis I2C magnetic sensor for EZ-B robots enabling magnetic direction sensing; requires short 2-3 in wiring. Third-party hardware.
Try it →
Looks good
I put a bid on it. Thanks for the tip.
Sorry REX i bought it may be next will come up,i do see another bidder on the item besides you.