5PCS Step Up Down DC-DC Automatic Buck Boost Power Module Board Input 3V-15V Output Electronic DIY S09 3.3V/5V/4.2V/9V/12V

5PCS Step Up Down DC-DC Automatic Buck Boost Power Module Board Input 3V-15V Output Electronic DIY S09 3.3V/5V/4.2V/9V/12V
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sku: 1005003262138488
$2.92
Shipping from: China
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