Get Only US $2.18 5pcs Smart Electronics KY-038 Mic Voice Sound Detection Sensor Module Microphone Transmitter Smart

5pcs Smart Electronics KY-038 Mic Voice Sound Detection Sensor Module Microphone Transmitter Smart

[32962138241] 5pcs Smart Electronics KY-038 Microphone Voice Sound Sensor Module Analog Digital Output Sensors Board Feature: 1. Equipped with electret capacitive microphone (ECM) sensor with high sensitivity. 2. Power lamp. 3. Bulb indicator comparator output. 4. AO, Real-time Microphone Voltage Signal Output. 5. DO, High/Low Level Signal Output. 6. Simulation of Quantity Output. 7. Electrical output flip threshold. 8. Adjust sensitivity by potentiometer. Specification: Size: 40*15*12mm/1.57*0.59*0.47'' Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. 5 x Microphone Voice Sound Sensor Modules 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders processed timely after the payment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season. 6. If you have not received your orderafter 30 days from payment, please contact us. We will trace your order and get back to you asap. Our goal is customer satisfaction! 7. Delivery Time: 1. You have 7 days to contact us and 30 days to return it from the date received. If the item is in your possession more than 7 days, it will be considered used and WE WILL NOT ISSUEA REFUND OR REPLACEMENT to you. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half. 2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID. 3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement. 4. We will bear all the shipping cost if the product(s) is (are) not as advertised. Defective items MUST BE reported and returned with original packaging, if possible. Youmust tell us what the defect is and give us your order number. You agree to all of the above-listed policies upon ordering on aliexpress! We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can perform up your satisfaction. It is impossible to address issues if we do not know about them!