The Jumper Nano-Lap IR Lap Counting System is a simple plug and play IR lap counter for Mini drones and cars. Idea for Whoop and Mini drones or Mini-Z car tracks. The Nano-Lap features easy USB plug and play setup and can be run directly from a Laptop computer without the need for external power supplies.
Available in two versions the Nano-Lap system can be used with battery powered stick on IR transponders or transponders powered directly from any spare channel on your models receiver or power source.
Software:
The Nano-Lap lap counting system is fully compatible with Zround, a free-to-use lap counting software suite, and can be setup in minutes. Simply connect the Nano-Lap system to an available USB port and your race event is ready to get serious!
Checkout ZRound
http://www.zround.com