Frequency Generator Module Frequency Modulation System - 10pcs NE555 Pulse Frequey Duty Cycle Adjustable Module Square Wave Signal Generator Stepper Motor Driver ( Radio Frequency Module)

Features: 1. As a square wave signal generator,generates a square wave signal used for experimental depment. 2. Used to drive a stepper motor for generating a square wave drive signal. 3. Generate adjustable pulse for MCU. 4. Generate adjustable pulse,to co circuitry associated. 5. Size: 31mm x 22mm 6. Main chip: NE555 7. Input Vtage: 5V-15V DC. when power supply is 5 V , the output t can be 15 MA around; when 12V power supply, the output t can 35 MA around 8. Input t: >=100 MA 9. Output amplitude: 4.2V V-PP to 11.4V V-PP. (Different input vtage, the output amplitude will be different) 10. Maximum output t: >=15MA (5V power supply, V-PP greater than 50%), >=35MA (12V power supply, V-PP greater than 50%) 11. Output with LED indication(low level ,LED will on; high level,LED will off;low frequey, the LED flas) 12. The output frequey range is selectable: LF file: 1Hz ~ 50Hz IF file: 50Hz ~ 1kHz High-frequey file: 1KHz ~ 10kHz HF file: 10kHz ~ 200kHz 13.The output duty cycle can fine-tune;duty cycle and frequey is not separately adjustable;adjusting the duty cycle will change the frequey Package iluded: 10 x NE555 Pulse Frequey Duty Cycle Adjustable Module

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