Feature:
Single way signal output, the output duty cycle square wave is about 50%.
With adjustable resistor,adjust resistor can change the output frequency.

Application:
Adjustable pulse generated for the use of MCU or controlling circuit.
For generating a square wave signal to drive a driver of stepper motor or use for experimental development.

Specification:
Mainly IC: NE555
VCC: DC input, positive power supply
GND: Functional earthing, negative power supply
OUT: output with high or low electrical level
Input Voltage: DC 5V - 12V
Hole Pitch: 10 mm / 0.39 inch (L*W)
Overall Size: 25 x 13 x 14 mm / 0.98 x 0.51 x 0.55 inch (L*W*H)

Package Content:
2 x Module Board