5pcs lot LM386 module
|45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.|
Guarantees: On-time Delivery 60 days
5pcs lot LM386 module
Using audio processing chip LM386 An audio signal 200 fold magnification The amplitude of the analog voltage output signal of the adjustable Signal output indicates Product parameters: Microphone Sensitivity: 52dB Band: 50Hz ~ 20KHz Operating voltage: 3.3V ~ 5.3V Product Dimensions: 39.0mm * 21.0mm Fixing Hole Size: 2.0mm Main purpose: Detecting the presence and size of environmental sounds such as sound intensity judgment 🙁 MCU interface description to access, for example) VCC: 3.3V ~ 5.3V pick GND: to GND AOUT: pick MCU.IO (analog output) DOUT: pick MCU.IO (digital output)
|Warranty & Contact US|
1. You have 7 days to contact us and 30 days to return it from the date it was received.
2. Both Replacement and Money Return are accept. Return shipping fee afford with buyer.
3. 12 months Manufacturer’s limited warranty for defective items(excluding Man-made damage).Accessories come with a 3-month warranty.
4. Defective item MUST BE reported and returned within the warranty period.
5.We maintain high standards of excellence and strive for 100% customer satisfaction. Feedback is very important,We hope you can contact us immediately before you give us neutral or negative feedback.
6.If you have any questions, our Customer Service staffs welcome you to email or call us. We strive to answer all questions and resolve any problems as quickly as possible
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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).|
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