SincereetaliFeatures: LCD display frequency and duty cycle, very clear, PWM output can be adjusted frequency and duty cycle. Wide frequency ranges, high precision. Used as a square wave signal generator, generates a square wave signal for experimental development and use. Used to generate a square wave signal that controls the motor driver. Generates an adjustable pulse for MCU use. Generate adjustable pulse, control the relevant circuit (PWM dimming speed and other applications). Serial control (single-chip TTL level communication). Features: Working voltage: 3.3 ~ 30 V Frequency ranges: 1 Hz ~ 150 kHz Frequency accuracy: 2% Signal load capacity: output current can be about 5 ~ 30 mA Output amplitude: PWM amplitude equal to the power supply voltage Ambient temperature: -20 ~ +70 Package size: 75 * 40 * 20 mm / 2.95 * 1.57 * 0.79 in Package weight: 37 g / 1.3 oz Package list: 1 * Signal Generator Module SincereetaliDo you want to turn your electric drill into electric saws? Then you can try this modification accessory. With this accessory tool set, you can get an electric saw instead of buying a new one, come and enjoy it, it will not let you down. Features: