New NE555 Pulse Module LM358 Duty Cycle Frequency Adjustable Module Square Wave
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
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New NE555 Pulse Module LM358 Duty Cycle Frequency Adjustable Module Square Wave

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  • 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

Customer Reviews

Based on 8 reviews
88%
(7)
13%
(1)
0%
(0)
0%
(0)
0%
(0)
d
deshraj
Easy to work with

I like the fact it had multiple adjustments

b
bikki @ parveen
Dandy

Nice little pulses.

D
Diego A. Castellano
As expected

Good Value!

u
unkar meena
Good value, no docs.

Good value, no docs. Pins are labeled. Jumpers (4) are not. 1 semi-helpful youtube video.

m
mohd salman
Five Stars

Good it work

A
Andrew J Morton
Five Stars

good stuff

k
kushal sharma
came faster than expected

HAPPY with the product and the price.

v
vinay @binu
Excellent product

Very nice. No problems.