Cheap And Discounts 10pcs IR Infrared Track Follower Sensor TCRT5000 Obstacle Avoidanc for Arduino 1 Channel Tracing Probe Module AVR ARM PIC DC 5V Wholesale. Buy Directly From Merchant HONGWEIWEI Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.