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The 2 or 4-quadrant multiplying makes this device a sound choice for many microprocessor-controlled gain-setting and signal-control applications
After you've programmed the coin profiles
6kbps(down-load/up-load)
GND : ground
Commutation (3 quadrant) capability
Fingerprint Module R301T Sound Recorder Module The 2 or 4-quadrant multiplyingIntroduction: R301T is an optical fingerprint verification module with TTL interface. It has a large storage capacity up to 3000 Image. It works in different conditions of the fingers, whether the fingers dry, wet, light texture, or old. It works in a variety of applications such as access control, safety deposit boxes. It has many functions such as Fingerprint Sensor, fingerprint verification, fingerprint upload and download. User can easily develop
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