10PCS TL494 PWM Controller Module Adjustable Frequency Control Board Module Diy Electronic 5V 500-100kHz 250mA

10PCS TL494 PWM Controller Module Adjustable Frequency Control Board Module Diy Electronic 5V 500-100kHz 250mA
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sku: 1005005335826631
$17.80+1%
$17.99
Shipping from: China
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