ANT-NE555, NE555 Adjustable Frequency Pulse Generator Module

Features: - NE555 chip onboard - 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 - Working voltage: 5 - 12V - Board size: 29 (mm) x12 (mm) What's in the box - 1 x NE555 Adjustable Frequency Pulse Generator Module