Features 1、Signal Generator: This pulse module is used as squares wave signal generator to generate squares wave signals for experimental development 2、Generate Signal: This is NE555 pulse module, which is used to generate a squares wave signal to drive the stepper motor driver 3、Control Circuit: This is NE555 pulse module, which generates adjustable pulses for MCU to control the related circuits 4、High Performance: LM358 is used as the main chip, pulse module input voltage is 5V-12VDC, and the input current is ≥100MA 5、Basic Specifications: The output amplitude is close to the input voltage, and the frequency adjustment range is 0.07HZ-2KHZ Specification Item Type: NE555 Pulse Module Main Chip: LM358 Input Current: ≥100MA Frequency Adjustment Range: 0.07HZ-2KHZ (That is, the cycle is about 0.45 milliseconds to 15 seconds) Material: Electronic Components Package List 5 x NE555 pulse module 20 x Short Circuit Caps