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NE555 Pulse Frequency Duty Cycle Adjustable Module

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9 months ago by ph.makerlab

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PHP 134.75

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NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator There are 4 jumpers and 2 variable resistors on the module, users can adjust the output wave with these components, to get their ideal wave easily. Features: Input Voltage: 5V-15VDC. when power supply is 5V , the output current can be 15MA around;when 12V power supply, the output current can 35MA around Input current: >=100MA Output amplitude: 4.2V V-PP to 11.4V V-PP. (Different input voltage, the output amplitude will be different) Maximum output current: >=15MA (5V power supply, V-PP greater than 50%), >=35MA (12V power supply, V-PP greater than 50%) Output with LED indication(low level ,LED will on; high level,LED will off;low frequency, the LED flashes) The output requency range is selectable: LF file: 1Hz ~ 50Hz IF file: 50Hz ~ 1kHz High-frequency file: 1KHz ~ 10kHz HF file: 10kHz ~ 200kHz Cycle T=0.7 (RA+2RB) C (RA, RB for 0-10K adjustable) Low frequency:C=100UF; Intermediate frequency:C=1UF M-H frequency: C=0.1UF; High frequency: C=0.001UF Note: Before changing the frequency, please power off Application: Used as a square wave signal generator, offer the square wave signal for the use of the experimental development. Used to produce driving stepper motor drives, offer the square wave signal. Adjustable pulse for the use of MCU. Generate adjustable pulse control circuit.

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