Vibration Sensor Module Normally Closed Type SW420 Vibration switch alarm sensor module
For a variety of vibration triggering, reported theft alarm, intelligent car, earthquake alarm, motorcycle alarm. This module normally open with shock sensor module compared to shock triggered longer can drive relay module
1, the use of the company’s SW-420 normally closed vibration sensor. 2, the comparator output signals clean, good waveform, driving ability, than 15mA 3, the working voltage of 3.3V-5V 4, the output form: 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
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 off instantly, output terminal output high, the 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 role in the police USD 0.88/pieceUSD 1.45-1.65/pieceUSD 0.68/pieceUSD 4.40/lotUSD 0.68/pieceUSD 0.93/pieceUSD 3.20/lotUSD 3.78/lot Payment methods
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|