Free Ship With Track 30Pc Sw-420 Alarm Sensor Module Vibration Normally Closed Sensor Module Sw420 Switching Transducer
- TypeVibration Sensor
- UsageVibration Sensor
- OutputAnalog Sensor
- Model NumberSw-420
For a variety of motion trigger action, reported theft alarm, intelligent car, earthquake alarm, motorcycle alarm. This module with normally open type shock sensor module compared to shake trigger longer can drive relay module Module Features: 1, the use of the company\'s SW-420 vibration sensor normally closed. 2, the comparator output signal clean, good waveform, driving ability, than 15mA 3, the working voltage 3.3V-5V 4, the output format: Digital switching output (0 and 1) 5, a fixed bolt hole for easy installation 6, small PCB board size: 3.2cm x 1.4cm 7, using a wide voltage comparator LM393 Module for use: 1, when the product does not shock, vibration switch was closed conductive state, output of low output, the green indicator light; 2, when the product is shock, vibration switch instantly turned off, the output-side output high, green light does not shine; 3, the output can be directly connected to the microcontroller through the microcontroller to detect high and low, thereby detecting whether the environment there is vibration, play a police role
Customer Service PAYMENT
1.Aliexpress supports Visa , Boleto , MasterCard ,Maestro Debit Card ,Western Union,Webmoney,QIWI and wire transfer via bank.
2.If you still have any question for payment, please feel free to contact us freely .
1.When you place an order, please choose a shipping method and pay for the order including the shipping fee.
2.We will send the items with 2-5days once the payment is confirmed by the system.
3. Any import Taxes is not included in the shipping fee, buyers are responsible for the customs duties when it is occurred .
4.Any request to get the refund ,please send back the items back to us. Customers should pay the freight back to China if problems if yours .
on the other side, if problem is ours we will pay the shipping fee.
5.Express shipping (DHL,Fedex,UPS,TNT etc) and post service are provided for the shipping. 3-7Days will be arrived to your door by Express shipping
Post service Such as China Post Register Air Mail ,Singapore post, Hongkong Post Air Mail reach most countries within 15-45 business days,
Some destination and other factors may take up to 60 business days.
Please pay attention : Order less than 7 USD will not have tracking number but you will get the items for sure,
please contact us to get a refund or resent if you don’t get within 60 working days .
1.Your satisfaction and positive feedback is very important to us, please leave positive feedback and 5 stars if you are satisfied with our items and service .
2.If you have any problems with our items or our items or service , please feel free to contact us first before you leave negative feedback .
We will do our best to solve any problems and provide you with the best customer service .
1. Service to worldwide,Wholesale ,retail, drop shipping , Customized support.
2. Working time: (UTC+8) 8:45-12:00am; 13:00-22:00 pm .Feel free to contact us