Pololu 22T Track Set - Red Shipping:2-4 Weeks Reverse polarity protection on the

Reverse polarity protection on the terminal block input

turning on all the emitters by default and allowing them to be controlled with a signal on either pin

and an ATtiny85 (the heart of the heART)

such as robotics

Pololu 22T Track Set - Red Shipping:2-4 Weeks Reverse polarity protection on theThis track set includes a pair of 22 tooth silicone tracks, two red drive sprockets measuring 35 mm (1. 4) in diameter, and two matching idler sprockets along with mounting hardware. To work properly with the track, the drive and idler sprockets should be set up approximately 48 mm (1. 9) apart. The drive sprockets are designed to work with 3mm D shafts, such as those on our micro metal gearmotors and mini plastic gearmotors. These are the same tracks