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532nm 45mW Green Laser Module
I2S management service high-fidelity audio interface of applications
There are LED signal indicator
you can use the stacking headers included
This dual channel Relay Module operates at 5V TTL signal and is perfect for common Arduino/Raspberry Pi control applications
KY-002 Vibration Switch Module sim900a 532nm 45mW Green Laser ModuleArduino Vibration Switch Module KY 002 Keyes allows detection of shock and vibration. The KY 002 Vibration Switch Module consists of a conductive vibration spring and a 10k resistor, it will react to shock and vibration by closing the circuit. Specifications: Operating Voltage: 5V Dimensions 18. 5mm x 15mm [0. 728in x 0. 591in] Connection Diagram Connect the Power line (middle) and ground ( ) to +5 and GND respectively. Connect signal (S) to pin 3 on
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