




⚙️ Power your projects with precision pulses — don’t get left in the signal noise!
This 4-pack of NE555 pulse frequency signal generator modules delivers adjustable square wave outputs from 1Hz to 200kHz, powered by a flexible 5V-15V DC input. Designed for Arduino, robotics, and stepper motor control, each compact module features an LED output indicator for easy signal monitoring, making it an essential tool for experimental and embedded system development.
| Best Sellers Rank | #903,507 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #550 in Function Generators |
| Customer Reviews | 3.9 out of 5 stars 3 Reviews |
C**A
Seem to burn out at 12v
Plugged up to a 12v 18350 and worked fine for a while. Plugged it in, same battery later, and poof. 555 IC fried.
Trustpilot
Hace 3 semanas
Hace 2 meses