Cross LED Dot Matrix Display Circuit Board Rotating Electronic Kit

Description

Description :

Respectively control 16 red LED and 16 green LED microcontroller 32 IO port;
an infrared transmitting tube, an infrared receiving tube, an infrared receiving plate on the tube rotates a circle.
Let microcontroller know playing characters or images from which point start;
Wireless power supply to the board through the coil.

Package included :

1 x Cross LED dot matrix display kit