Switch Electronics NE555 Adjustable Duty Cycle Pulse Frequency Square Wave Signal Generator Module - OKY3199-1

Need a quick and dirty square wave signal for testing circuits or driving a project?

This little NE555-based module from Switch Electronics is just the ticket.

It's built around the classic 555 timer chip and lets you adjust both the frequency and the duty cycle of the output square wave.

Just power it up, turn the knobs, and you've got a variable pulse signal.

It's perfect for hobbyists, students, or anyone messing around with electronics.

Whether you're testing a counter circuit, driving an LED, or simulating a clock signal, this generator is an easy, cheap solution.

It's brand new and ready to help you debug your next build.