New NE555 Pulse Module LM358 Duty Cycle Frequency Adjustable Module Square Wave
- Product SKU: KG234
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Specification
Description
The Pulse Frequency Module is used as a square wave signal generator to generate a square wave signal used for experimental development. When the power supply is 5V, the output current can be 15MA around. It helps to drive a stepper motor for generating a square wave drive signal.
LM358 Duty Cycle Frequency Adjustable Module is used as a square wave signal generator to generate a square wave signal used for experimental development. This Adjustable pulse is generated for use by MCU. The output level selectable frequency range, the output frequency is more continuously adjustable.
Features:
- Used as a square wave signal generator produces a square wave signal for experimental development use.
- A square wave signal is used to produce a drive driven by the stepper motor.
- Produces the adjustable pulse for MCU use.
- Generates adjustable pulse to control associated circuits.
Technical Details
- The main chip: LM358
- Input voltage:5V-12VDC
- Input current:≥100MA
- The output amplitude: Close to the input voltage
- The frequency adjustment range:0.07HZ-2KHZ (that is, the cycle is about 0.45 milliseconds to 15 seconds)
- Duty cycle adjustment range:0% to 100% (high level / period)
- Output current: plate with 9012 triodes, so the driving ability is relatively strong, the output current can be up to 500MA, the output can directly drive a small relay or small motor
Frequency adjustment method
- There are 4 shorting caps on the board to choose the frequency
- Insert 0 short-circuit caps, that is, all 4 short-circuit caps are removed, which is high frequency, and the period is adjusted to 0.3 seconds
- Insert a short-circuit cap, the period can be adjusted to about 4 seconds
- Insert 2 short-circuit caps, the period can be adjusted to about 7 seconds
- Insert 3 short-circuit caps, the period can be adjusted to about 10 seconds
- Insert 4 short-circuit caps, the period can be adjusted to about 15 seconds
Circuit Diagram
Physical Attributes
- L x W x H (mm): 32 x 23 x 11
- Weight (gm) : 5
Product Video
Documentation
- a- Datasheet
Package Includes
- 1 x New NE555 Pulse Module LM358 Duty Cycle Frequency Adjustable Module Square Wave
