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Duty Cycle & Frequency Adjustable Module Square Wave Rectangular. Used as a square wave signal generator for experimental development, for exaples: To drive a stepper motor for generating a square wave drive signalAdjustable pulse generated for MCUAdjustable pulse generation, control circuitry a..

FTDI 5V Micro USB to TTL Programmer Card, Upload Tool.     The burner pin needs to be welded by itself.     Specifications:Size: 20 x 12 x 2 mmWhat you Get: 1 x FTDI 5V Micro USB to TTL Programmer Card, Upload Tool...