50Pcs 3.5-5.5V Standard Passive Buzzer Module ep7 Try all of our mouth

Try all of our mouth watering varieties: Cherry

onions and other natural ingredients to control - but never tame - their unique flavor

Long Time Standby and Daily Waterproof 480mAh lithium polymer battery

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Language: Italian

50Pcs 3.5-5.5V Standard Passive Buzzer Module ep7 Try all of our mouthSpecification: Working voltage: 3. 5 5. 5V Working current: <25mA PCB Dimension: 18. 5mm x 15mm(L x W) Feature: No oscillation source, need square wave (frequency 2K 5K ) to drive. Sound frequency control, you can make a "do re mi fa sol la si" effect. Package included: 50 x Standard Passive Buzzer Module reference source programme: int buzzer=8; Set the control the buzzer digital IO pin void setup() { pinMode(buzzer,OUTPUT); Setting the digital IO