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DEVMO 5PCS NE555 Pulse Module Frequency Duty Cycle Adjustable Square Signal Generator
DEVMO 5PCS NE555 Pulse Module Frequency Duty Cycle Adjustable Square Signal Generator
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- Specification
- Size: 31mm * 22mm
- Main chip: NE555
- Input Voltage (VCC): 5V-15VDC
- Input current:~100MA
- Output amplitude: 4.2V V-PP to 11.4V V-PP. (Varries with VCC voltage)
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Product Review

- Specification
- Size: 31mm * 22mm
- Main chip: NE555
- Input Voltage (VCC): 5V-15VDC
- Input current:~100MA
- Output amplitude: 4.2V V-PP to 11.4V V-PP. (Varries with VCC voltage)
- Maximum output: 15MA (VCC=5V, V-PP greater than 50%), 35MA (VCC=12V, V-PP greater than 50%)
- Output LED indicator (low level, LED is on, high level, LED is off; LED flashes with frequency
- Output frequency is continuously adjustable using the onboard jumpers and potentiometers
- Jumper setting
- Period T = 0.7 (RA +2 RB) C
- RA, RB are 0-10K Ohm adjustable potentiometers
- 1Hz ~ 50Hz: C = 0.001UF
- 50Hz ~ 1kHz: C = 0.1UF
- 1KHz ~ 10kHz: C = 1UF
- 10kHz ~ 200kHz: C = 100UF
- Applications
- As a square wave signal generator for experimental development
- Used to drive a stepper motor for generating a square wave drive signal
- Generate adjustable pulses for microcontrollers (MCU)

  • ★Main Chip:NE555; Operating voltage: 12V DC.
  • ★With power indicator LED (red) and trigger indication LED (blue)
  • ★Output is voltage free & can be connected up to 10A load.Input voltage:DC12V.Stream with relay protection
  • ★Delay time adjustable, (0 to 10 seconds)
  • ★Package Includes:5PCS NE555 Pulse Module.

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