NE555-based square wave generator module. Adjustable frequency from 1Hz to 200kHz with switch selection and fine duty cycle control. Ideal for experimentation and motor driving.
This signal generator module is based on the NE555 timer chip to produce adjustable square waves. It allows generating pulses for electronic experimentation, stepper motor driving, or digital circuit testing.
The period is determined by the formula T = 0.7 × (RA + 2RB) × C, with switched capacitors to cover different frequency ranges.
Data sheet
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