NE555 DIY Kit Electronic Production 10 LED Lucky Rotary Suite Components New
ab 4,15 €
The circuit mainly consists of a pulse generator and a decimal counter circuit. Pulse generator by the NE555 and peripheral components constitute a multi-harmonic oscillator, when the key is pressed S1, Q1 conductive, NE555 3-pin output pulse, then the 10 outputs of the CD4017 take turns to output a high level to drive the 10 LEDs take turns to light.
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