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NE555 Pulse Module Board Frequency Duty Cycle Adjustable Square Wave Rectangular Wave Signal Generator

R52

In Stock at Supplier

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Overview

Scope of this module:
1. Used as a square wave signal generator to generate square wave signals for experimental development.
2. Used to generate a square wave signal that drives a stepper motor driver.
3. Generate adjustable pulses for use by the MCU.
4. Generate adjustable pulses to control related circuits.
Specification:
1. Size: 29x36mm, fixed hole distance 22.5×30.5mm
2. Main chip: NE555
3. Input voltage: 5V-15VDC. When 5V power supply, the output current can be around 15MA; when 12V power supply, the output current can be around 35MA;
4. Module weight: 10g;
5. Input current:> = 100MA
6. Output amplitude: 4.2V V-PP to 11.4V V-PP. (The output amplitude will be different according to the input voltage)
7. Output current:> = 15MA (5V power supply, V-PP greater than 50%), ≥35MA (12V power supply, V-PP greater than 50%)
Advantages
1. The output has LED indication, and it is clear whether there is output (LED quantity at low level, LED off at high level, LED flashes at low frequency)
2. The output frequency range can be selected (selected with a short-circuit cap) to make the output frequency more continuously adjustable;
– Low frequency range: 1Hz ～ 50Hz
– Intermediate frequency range: 50Hz ～ 1kHz
– Middle and high frequency range: 1KHz ～ 10kHz
– High frequency range: 10kHz ～ 200kHz
3. The output duty cycle can be fine-tuned, the duty cycle and frequency are not separately adjustable, adjusting the duty cycle will change the frequency; if you need a module with adjustable duty cycle and frequency,
4. The output frequency is adjustable;
– Period T = 0.7 (RA + 2RB) C
– RA and RB are adjustable from 0-10K;
– C = 0.001UF at low frequency;
– C = 0.1UF in the intermediate frequency range;
– Medium and high frequency gear C = 1UF;
– C = 100UF at high frequency, so the frequency buyer of the waveform can calculate it by himself.
Please save this page as an instruction, if you need a circuit diagram, you can ask the buyer after taking another picture.
1. Applicable occasions: MCU learning, electronic competition, product development, taxi meter, graduation design.
5. This product is not a precise circuit and is not suitable for use in places where high accuracy is required.

Additional Information

Weight & Size

Weight: 0.014kg
Size: 5cm x 5cm x 3cm

SKU: A0100070205 Category: Condition: New

Delivery Options

We deliver straight to your home or office anywhere in South Africa.

  • Courier Delivery with a cost of R75 on all orders.

Additional Charges

There are no extra fees or additional charges for shipping and delivering your order.

Processing, Handling & Delivery Timeframes

Once your order is placed, the following timelines apply:

  • Order Cut-Off Time: 2:00PM (SAST)
  • Handling Time: 1 – 2 business days (Monday – Friday)
  • Transit Time: 5 – 7 business days (Monday – Friday) within South Africa.
  • Total Delivery Time: 6 – 9 business days (Monday – Friday) within South Africa.

Note: Business days are Monday to Friday, excluding weekends and public holidays.

Shipping Locations

We only deliver within South Africa.

Shipping Carriers

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Order Tracking

Once your order is dispatched, you’ll receive an email with your delivery details and a tracking number. You can also track your order on our Track Your Order page.

Damages & Issues

Please inspect your order upon delivery. If you notice any damage, incorrect items, or missing products, check them in the presence of the courier and please Contact Us immediately. We’ll resolve the issue as quickly as possible.

Lost Orders

We guarantee the delivery of all orders. If your package is lost, stolen, or damaged, we will either send a replacement or issue a full refund.

Order Cancellations

You can cancel your order at any stage during the handling, shipping and delivery process. Please Contact Us if you need to cancel your order, and we’ll be happy to assist you.

Kindly Note: If the order has already been shipped, it must be returned or redirected back to the supplier before the order cancellation can be completed.

Order Modifications

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Delivery Delays

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Kindly note that some products may require up to 25 business days for processing and delivery, depending on their origin.

Failed Deliveries

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Overview

We offer a 365-days Return and Refund Policy, meaning you have 365 days from your date of purchase to request a return.

We want you to love your purchase! If you’re not completely satisfied, you can return the product for a repair, replacement, exchange, store credit, or refund.

Return Eligibility

To qualify for a return, your product must meet these conditions:

  • Items must be in its original packaging.
  • Items that was delivered defective, damaged, incorrect and missing parts due to errors not of your own.
  • Items must be unused, undamaged, complete and not missing parts unless due to our error.
  • Or used and/or unused items that are still within the warranty and guarantee period.
  • You must provide proof of purchase.

Kindly Note: Customized and made-to-order products are non-refundable and non-returnable due to their personalized nature.

How to Start a Return

To request a return, please Contact Us or submit a return request here or you can log a warranty claim request here. Once your return is approved, we’ll send you a return shipping label and instructions. Items returned without prior approval won’t be accepted.

Damages & Issues

Please inspect your order upon delivery. If you notice any damage, incorrect items, or missing products, check them in the presence of the courier and please Contact Us immediately. We’ll resolve the issue as quickly as possible.

Exchanges

To exchange an item, you’ll need to return the original product first. Once your return is approved, you can place a new order for the item you want.

Return Costs

All returns are free! We’ll arrange a courier to collect the item at no cost to you.

Restocking Fees

We do not charge restocking fees.

Lost Orders

We guarantee the delivery of all orders. If your package is lost, stolen, or damaged, we will either send a replacement or issue a full refund.

Order Cancellations

You can cancel your order at any stage during the handling, shipping and delivery process. Please Contact Us if you need to cancel your order, and we’ll be happy to assist you.

Kindly Note: If the order has already been shipped, it must be returned or redirected back to the supplier before the order cancellation can be completed.

Warranty and Guarantee

We want you to shop with confidence, which is why our products are covered by a 365 days Warranty and Guarantee.

All our products come with a minimum 365 days warranty and guarantee.

If you discover a defect within the first half of the warranty and guarantee period from the purchase date (as shown on your proof of purchase), we will gladly repair, replace, issue store credit, or provide a full refund.

For defects identified after the first half and within the second half of the warranty and guarantee period, we are happy to repair or replace the product.

You can log a warranty claim request here. Need assistance with a warranty claim? Contact Us for support and more details.

Additional Information:

All warranty claims go through an approval process handled by either Yoink and/or the manufacturer.

Please note that we do not cross-ship. This means we will only process returns once the defective product has been received, inspected, and approved for repair, replacement, store credit, or refund.

Warranty coverage will be void if:

  • The product has been opened, tampered with, or altered.
  • The serial number, manufacturer model, part number, or warranty sticker is missing, damaged, altered, or unreadable.
  • The defect is due to wear and tear or physical damage.
  • If a certified professional did not install it – (Depending on the nature of the product, eg. electronic components and/or repair parts).

For any further information, please Contact Us.

Refunds

Once we receive and inspect your return, we’ll notify you about the approval status. If approved, your refund will be processed to your original payment method within 10 business days. Please note that banks and credit card providers may take additional time to process the refund.

If more than 10 business days have passed since your refund was approved and you have not received your refund as of yet, please Contact Us.

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