1, onboard NE555 chip
2. Single-channel signal output, output square wave with approximately 50 percent duty cycle
3, on-board adjustable resistance, adjust the resistance can control the output frequency
4, onboard power indicator
5, working voltage: 5 ~ 12V
6, board size: 29 (mm) x 12 (mm)
NE555 Frequency Adjustable Pulse Generator Module
General use module generates pulses from approximately 4Hz to 1.3Khz. Utilizes the popular NE555 timer IC operating as an astable multivibrator. Module has ten-turn frequency adjustment control and power on LED. Use for stepper motor pulses, testers etc.
Supply Current: 10mA
Output Current: 200mA max. Source or Sink
Frequency Range: Min: 4Hz @ 50% Duty Cycle,
Max: 1.3KHz @ 98% Duty Cycle