PWM Generator Module 1Hz-150kHz LCD Square Wave Signal Pulse Duty Cycle 3.3-30V

Compact DC 3.3V-30V Signal Generator with LCD Display & PWM Output - 1Hz-150kHz

Dual Mode Signal Generator LCD PWM 1-Channel 1Hz-150KHz PWM Pulse Frequency

XY-K Adjustable PWM Signal Generator 1-Channel 1Hz-150KHz Pulse Frequency Duty

Dual-Channel Signal Generator 1Hz-150Khz PWM DC 5-24V Adjustable Motor

Adjustable DC Signal Generator 3.3-30V, LCD Display, 1Hz-150kHz Frequency Range

LCD Display Signal Generator 1Hz-150kHz, DC 3.3-30V, Ideal for Experimental Use

Frequency Generator 1Hz-150kHz PWM Signal Module DC 3.3-30V LCD Display Black