Fulabs Digital display PWM pulse frequency duty ratio 1HZ~150KHZ adjustable Square wave rectangular wave signal generator

Module Highlights:

  Built-in LCD Display with Enclosure – Clearly shows frequency and duty cycle. PWM output allows independent adjustment of both frequency and duty cycle.

Wide Frequency Range with High Precision – Supports extensive frequency settings with excellent accuracy.

UART Serial Communication – Enables remote configuration and control.

Module Description

PWM Output with Adjustable Frequency and Duty Cycle

Frequency Setting:

Divided into four ranges (auto-switching):

● XXX (no decimal point):

Minimum step: 1Hz

● Range: 1Hz ~ 999Hz

● Example: 100 → 100Hz PWM output

X.XX (decimal at hundredths place):

● Minimum step: 0.01kHz (10Hz)

● Range: 1.00kHz ~ 9.99kHz

● Example: 1.01 → 1.01kHz (1010Hz) PWM output

XX.X (decimal at tenths place):

● Minimum step: 0.1kHz (100Hz)

● Range: 10.0kHz ~ 99.9kHz

● Example: 54.1 → 54.1kHz PWM output

X.X.X (decimal at tenths and hundredths place):

● Minimum step: 1kHz

● Range: 1kHz ~ 150kHz

● Example: 1.2.4 → 124kHz PWM output

Duty Cycle:

● Adjustable range: 0% ~ 100%

● Non-Volatile Memory (NVM):

All settings are saved after power-off.

Key Advantages:

✔ User-friendly display for real-time monitoring

✔ High precision & wide frequency coverage (1Hz–150kHz)

✔ Flexible control via UART or manual adjustment

✔ Reliable memory retention for critical parameters