DAOKAI WE-DA-108

DAOKAI NE555 Pulse Generator Module User Manual

Model: WE-DA-108

Brand: DAOKAI

1. הקדמה

The DAOKAI NE555 Pulse Generator Module is a compact, single-channel signal output device designed for generating adjustable frequency square waves. Utilizing the versatile NE555 timer integrated circuit, this module is suitable for various applications including microcontroller unit (MCU) learning, electronic competitions, and product development. It provides a stable square wave output with an approximate 50% duty cycle, and its frequency can be easily adjusted via an onboard potentiometer.

This manual provides detailed instructions for the setup, operation, and maintenance of your NE555 Pulse Generator Module.

Five DAOKAI NE555 Pulse Generator Modules and one multi-colored Dupont cable.

תמונה 1.1: נגמרview of the DAOKAI NE555 Pulse Generator Modules and included Dupont cable.

2. תכולת החבילה

עם פתיחת האריזה, יש לוודא שכל הרכיבים קיימים ולא ניזוקו:

  • 5 x NE555 Pulse Generator Modules
  • 1 x 15-pin Female to Male Dupont Cable
A clear plastic bag containing five NE555 Pulse Generator Modules and a Dupont cable, with a label showing product information.

Image 2.1: Packaging of the NE555 Pulse Generator Modules and Dupont cable. The label indicates model WE-DA-108.

3. מפרטים

Refer to the following technical specifications for the NE555 Pulse Generator Module:

  • שְׁבָב: Onboard NE555 timer IC
  • כרך עבודהtage: 5V עד 12V DC
  • אות פלט: Single-channel square wave
  • Output Duty Cycle: בערך 50%
  • טווח תדרים פלט: 5Hz to 2KHz (adjustable via potentiometer; can be modified by changing capacitor C1)
  • זרם פלט: 225 mA (מקסימום)
  • פלט כרךtage: שווה לנפח קלטtage
  • זמן עלייה/נפילה: 100 ns
  • מידות (L x W x H): 25 מ"מ x 13 מ"מ x 12 מ"מ (0.98 אינץ' x 0.51 אינץ' x 0.47 אינץ')
A close-up image of the NE555 Pulse Generator Module with key parameters overlaid: Working voltage DC 4~18V, Output frequency range 5~2KHz, Output current 225 mA (MAX), output voltage = input voltage.

Image 3.1: Key parameters of the NE555 Pulse Generator Module.

מלמעלה למטה view of the NE555 Pulse Generator Module with dimensions labeled: 25mm/0.98in length and 13mm/0.51in width.

Image 3.2: Physical dimensions of the NE555 Pulse Generator Module.

4. הגדרה וחיבורים

The module features a simple 3-pin header for power and signal output. Follow these steps for proper connection:

  1. זיהוי סיכות: The module has three pins labeled GND, OUT, and VCC.
  2. חבר חשמל:
    • חבר את VCC pin to your DC power supply's positive (+) terminal (5V to 12V).
    • חבר את GND pin to your DC power supply's negative (-) terminal (ground).
  3. חיבור פלט: חבר את הַחוּצָה pin to the input of the device or circuit you wish to drive with the pulse signal.
A close-up of the NE555 Pulse Generator Module showing its three pins: GND, OUT, and VCC. Red and black lines indicate power connections (5V to 12V for VCC, GND for ground), and a blue line indicates the square wave output from the OUT pin.

Image 4.1: Pin description and connection diagram for the NE555 Pulse Generator Module.

ודא שספק הכוח כרךtage is within the specified range of 5V to 12V to prevent damage to the module.

5. הוראות הפעלה

Once the module is correctly powered, it will begin generating a square wave signal. The frequency of this signal can be adjusted:

  1. התאמת תדירות: The module features an onboard adjustable resistor (potentiometer). Use a small screwdriver to carefully turn the potentiometer. Turning it clockwise or counter-clockwise will change the resistance value, thereby adjusting the output frequency within the 5Hz to 2KHz range.
  2. אות פלט: The output is a single-channel square wave with an approximate 50% duty cycle. The output voltage will match the input VCC voltage.
  3. Frequency Range Modification: For applications requiring a different frequency range, the capacitor C1 on the module can be replaced with a different value. Changing C1 will alter the overall frequency range of the oscillator.
א מפורט view of the NE555 Pulse Generator Module highlighting the adjustable resistor and a diagram of the 555 timer pinout. The adjustable resistor is labeled as controlling frequency.

Image 5.1: Detail of the adjustable resistor for frequency control and the NE555 timer pinout.

A circuit diagram for the NE555 Pulse Generator Module, showing the NE555 IC, resistors R1, R2, capacitors C1, C2, C3, C4, and an LED D1, along with the VCC, GND, and OUT connections.

Image 5.2: Circuit diagram of the NE555 Pulse Generator Module.

6. תחזוקה

The NE555 Pulse Generator Module is a robust electronic component designed for long-term use with minimal maintenance. To ensure optimal performance and longevity:

  • שמור על ניקיון: Avoid dust, dirt, and moisture accumulation on the module. If cleaning is necessary, use a soft, dry brush or a cloth lightly dampהסתיים עם איזופרופיל אלכוהול.
  • טפל בזהירות: Avoid applying excessive force to the components, especially the potentiometer and pins.
  • אִחסוּן: Store the modules in a dry, cool environment, away from direct sunlight and extreme temperatures.
  • ספק כוח: יש להשתמש תמיד באספקת חשמל יציבה בטווח הנפח שצוין.tagטווח e (5V-12V).

7. פתרון תקלות

If you encounter issues with your NE555 Pulse Generator Module, consider the following troubleshooting steps:

  • אין אות פלט:
    • Verify that the module is receiving power within the 5V-12V range.
    • Check all connections (VCC, GND, OUT) for proper contact and polarity.
    • Ensure the power indicator LED on the module is illuminated.
  • Unstable or Incorrect Frequency:
    • Adjust the onboard potentiometer slowly to see if the frequency changes.
    • Ensure your power supply is stable and not fluctuating. Unstable power can lead to unstable output.
    • If the desired frequency range is not achievable, consider replacing capacitor C1 with a different value. For example, a larger capacitance will generally result in lower frequencies.
  • Module Gets Hot:
    • ודא שנפח הקלטtage is within the 5V-12V range. Voltages significantly higher than 12V can cause overheating.
    • Ensure the module is not drawing excessive current due to a short circuit in the connected load.
    • While the NE555 can operate with a 9V battery, ensure the battery can provide sufficient current without significant voltage drop, especially under load.
  • Output Frequency Range Does Not Match Expectations (e.g., 5-2KHz vs. 2-5KHz):
    • The specified range is 5Hz to 2KHz. If your module operates outside this, verify the potentiometer is fully functional and consider the possibility of component tolerance variations.
    • As mentioned, changing capacitor C1 is the primary method to shift the overall frequency range.

8. יישומים

The DAOKAI NE555 Pulse Generator Module is versatile and can be used in various electronic projects and educational settings:

  • Microcontroller Unit (MCU) learning and experimentation
  • Electronic competition projects
  • Product development and prototyping
  • Generating clock signals for digital circuits
  • Driving stepper motors (with appropriate driver circuitry)
  • Timing circuits and delay generation
A collage showing various applications of the NE555 Pulse Generator Module, including MCU learning (person typing on a keyboard with code on screen) and electronic competition (students working on electronics).

תמונה 8.1: דוגמהamples of applications for the NE555 Pulse Generator Module.

9. אחריות ותמיכה

This product is manufactured by DAOKAI. Specific warranty details are not provided in the product information. For any product-related inquiries or technical support, please refer to the seller or the platform where the product was purchased. Keep your purchase records for reference.

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