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2 pieces nRF24L01 wireless module
Integrated wireless module with the joystick shield (no wire)
Model: 74HC86 / 7486
wireless telephones
Support I2C interface
Microphone 9.4 x 6.7mm DC Fan 2 pieces nRF24L01 wireless moduleElectret microphone is a sound electrical conversion device. It is used in telephones,wireless telephones, mobile phones, ear telephones, recorders, radio recorders, alarms, voice control toys, voice control switches and more Note: Check photo below to find the ground Specifications: Size: 9. 7 x 6. 7mm Directivity: omnidirectional Connection: solder type Sensitivity: 28 to 58dB Standard operating voltage: 3V Impedance: 2. 2K
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