TP353 square wave NE555 module oscillator adjustable frequency pulse generator signal source 50Hz-6kHz 0.5Hz-70Hz 5kHz-250kHz

TP353 square wave NE555 module oscillator adjustable frequency pulse generator signal source 50Hz-6kHz 0.5Hz-70Hz 5kHz-250kHz
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sku: 1005004359193789
$3.14
Shipping from: China
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