The module has 2 outputs: AO, analog output, real-time output microphone voltage signal; DO, when the sound intensity reaches a certain threshold, it outputs high and low level signals, [threshold-sensitivity can be adjusted by potentiometer]
There are 3mm mounting screw holes, which are powered by a 5v DC power supply.
There is an analog output with a threshold flip level output.
High sensitivity microphone with high sensitivity.
There is a power indicator and the comparator output has an indicator.
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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