5x NE555 Pulse Generator Modules – Frequency Timer Circuit Board For Raspberry Pi, Arduino, 5-12V, Blue

If you tinker with Raspberry Pi, Arduino, or any electronics project, these NE555 timer modules are super handy.

You get 5 of them, each built around the classic 555 chip.

They generate frequency pulses—great for clocks, timers, signal testing.

Blue PCB, compact size 29x12mm.

Working voltage 5 to 12V.

Unbranded, made in China.

New, no fancy retail box, just the boards.

No MPN, no UPC.

Each one is ready to wire into your project.

Grab a 5-pack and have spares when experimenting.

Solid little modules for hobbyists and pros alike.