NE555 Adjustable Frequency Pulse Generator Module For Arduino Smart Car

Features:

On-board chip NE555.
A single channel output, the output duty cycle square wave is about fifty percent.
Onboard adjustable resistance, resistance can be controlled to adjust the output frequency.
Best choice for yourself or your friend.You will not be disappointed!
Working voltage: 5-12V
Size: 29 x12 (mm)

Package included:

1x NE555 Adjustable Frequency Pulse Generator Module