DIY Christmas Tree Electronic Learning Kit

Principle:

This is a highly entertaining product， after turning on the power， under the HQS1313 control circuit starts operated by a variety of tricks， D1 - D11 is a light emitting diode， under the control of HQS1313 orderly lit， R1 is the limit flow resistance. You can use two AA batteries， easy and convenient.
Through simple and fun circuit to stimulate interest of the electronic technology beginners.

Feature:

Dimension: 89 x 47mm (L x W)
Working voltage: DC 3V - 5V
Sinking Input: 20mA
Sourcing output: -10mA
Output high level: VDD
Output low level: 0V
Working temp.: -25°C to +85°C

Absolute Maximum Ratings:

Max. working voltage: 5.5V
Input: -0.3V to 0.3V
Output: -0.3V to 0.3V
Max. Sourcing Current: 25mA
Max. Sinking Current: 30mA

Package included:

1 x DIY Christmas Tree Kit