diymore DC 3.3 -30V 5 -30mA 1Hz -150kHz Adjustable Output PWM Pulse Frequency Meter Duty Cycle Square Wave Signal Generator

diymore DC 3.3 -30V 5 -30mA 1Hz -150kHz Adjustable Output PWM Pulse Frequency Meter Duty Cycle Square Wave Signal Generator
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sku: 4000516285080
$4.22
Shipping from: China
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