2pcs S09 DC-DC Automatic Buck Boost Power Module Step Up and Down Board 3V-15V Output 3.3V/5V/4.2V/9V/12V Electronic DIY PCB

2pcs S09 DC-DC Automatic Buck Boost Power Module Step Up and Down Board 3V-15V Output 3.3V/5V/4.2V/9V/12V Electronic DIY PCB
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sku: 1005005797106883
$5.40
Shipping from: China
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