ITEM NAME:1Hz~150kHz PWM Signal Generator Pulse Frequency Adjustable Module Test EquiSEAU Specification: Brand new Size: approx. 80*44*27mm Working Voltage: DC 3.3V~30V Frequency Range: 1Hz~150kHz (divided into 4 ranges) Frequency Precision: 2% of each range Signal Load Capacity: output current is about 5-30mA Output Amplitude: PWM amplitude equal to the input voltage value Environment Temperature Range: -20~+70℃ Duty Cycle Range: 0-100% Feature: LCD display frequency and duty cycle, very clear, PWM output, can be set to the frequency and duty cycle. Serial communication, TTL level. Frequency is divided into four ranges, automatic switching. All set parameters, power-down automatically saved. Fine workmanship and good performance. Easy to use. Long service life. Used as square wave signal generator for experimental development. Used as square wave signal generator for motor driver. Used as adjustable pulse generator for MCU. Used as pulse generator, control related circuits (PWM dimming, speed regulating). Package included: 1 x Signal Generator Note: Please allow 1-5mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same..Frequency Range: 1Hz~150kHz (divided into 4 ranges). LCD display frequency and duty cycle, very clear, PWM output, can be set to the frequency and duty cycle. Used as adjustable pulse generator for MCU.