LCD display frequency and duty cycle, very clear, PWM output can be set to the frequency and duty cycle. Used as a square wave signal generator, generate square wave signal for experimental development and use. Used to generate a square wave signal that controls the motor driver. Generate adjustable pulse for MCU use. Generate adjustable pulse, control the relevant circuit (PWM dimming speed and other applications). Wide frequency range, high precision. Serial communication, TTL level. Serial control (single-chip TTL level communication). Fine workmanship and good performance. Stable and reliable, Easy to use, Long service life., Manufacturer: Bahwphry