1/5/10pcs Knock Sensor Module For Arduino 3Pin KY-031 Percussion Knocking Knock Sensor Module Diy Starter Kit KY031
$1.33
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Price History
Price changes for 1/5/10pcs Knock Sensor Module For Arduino 3Pin KY-031 Percussion Knocking Knock Sensor Module Diy Starter Kit KY031 since Sep 18, 2025
Max: $1.33
Min: $1.33
Current: $1.33
