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High Quality SW-420 Normally Closed Alarm Vibration Sensor Module Vibration Switch SW420

SW-420 Vibration Sensor Module
Item Code: TOP862710
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  • Description
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  • the product when it is not shock, vibrate switch is closed on-State, output output low level, the green indicator light is on;
  • When 2, vibration, vibration switches disconnected moments, output output line, the Green led is not lit;
  • the output can be directly connected to the microcontroller, by single-chip computer to detect high or low level, to detect whether there is vibration, alarm function


For a variety of shocks triggering, theft alarm, smart car, an earthquake alarm, motorcycle alarm.
This module when compared with normally open penumatic shock sensor module, shock triggered much longer can drive relay module


  • the use of the company's production of SW-420 normally closed type vibration sensors.
  • comparator output signal clean wave well, driving ability, 15mA
  • rated voltage and 3.3V-5V
  • output: digital switching output (0 and 1)
  • a bolt-hole for easy installation
  • small Board PCB dimensions: 3.2cm x 1.4cm
  • using wide LM393 voltage comparator

 Shipping List

  • SW-420 Vibration Sensor Module: 1pcs


(1) The Two main shipping methods

When you order from the smaring.com, you can choose your preferred shipping method on the Order Information page during the checkout process. The smaring.com offers the following TWO different international shipping methods:

Shipping Way

Shipping Company

Estimated Delivery Time

Tracking Information

Registered Post

China Post,ePacket, HongKong Post, Singapore Post,etc.

7-39 days


Expedited Shipping

DHL, FeDex, UPS, EMS, etc.

6-13 days



(2) Free shipping on all orders over Some Value

If the total price of all orders in one time is over some value (which is spread in the top of this webpage), and the total weight is less than 2kg, then, your order would be FREE shipped by Registered Post all over the world. 

(3) Tracking your order

All orders can be tracked in the site: http://www.17track.net. Open this site, and fill in the tracking number, like RS387577781CN (NOT order number), Then you can see the shipping information.

Any problem, please contact us by http://www.smaring.com/help/

Smaring.com can accept payment through PayPal and Directly via credit card, and other payments. 

Paying with PayPal

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If you want to use other payment methods, please contact us. Thanks.

Any problem, please contact us by http://www.smaring.com/help/.

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