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Product Description

1. Onboard SG3525A PWM controller chip

2. Onboard 78M05 voltage regulator chip provides a reliable reference voltage

3. Two precision adjustable resistors onboard: R3 controls the duty cycle, and R4 controls the frequency

4. Onboard power indicator

5. Operating voltage: 8-12V

6. Board size: 30.8mm x 18mm

7. Frequency adjustment range: 200Hz-100kHz

8. Output amplitude: 5V

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