EXCELLENT PCB: The keyboard switch module adopts 1.6mm thick PCB double sided board, which is sturdy and .
SAFE OPERATION: The key module has a large heat dissipation area, stable and reliable, suitable for term operation.The amp circuit has been repeatedly debugged, with reasonable component layout and less irference.
REASONABLE DESIGN: The amp circuit has been repeatedly debugged, with reasonable component layout and less irference.
REASONABLE DESIGN: The amp circuit has been repeatedly debugged, with reasonable component layout and less irference.
MAIN PURPOSE: 4 independent buttons keyboard module, for student class design graduationject experiment.
وصف
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