5Pcs NE555 Square Wave Frequency Adjustable Duty Cycle Pulse Signal Generator su
9,51 €
5Pcs NE555 Square Duty Cycle Pulse Signal Generator Wave Frequency Adjustable. Function: produce different frequency square wave or rectangular wave. OUT is the output signal frequency. (6) The output frequency is calculated: Period T = 0.7 (Ra + 2Rb) C Ra, Rb is 0-10K adjustable.
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