10pcs DIY Digital Display LED Logic Pen Electronic Kit High and Low Level Test Circuit Soldering Practice Board Kit
sku: 1624341
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$14.99
Shipping from: China
Description
Description Power supply DC 4 5 5VBoard size 3 5 5 5cmLow level judgment voltage 0 0 0 4VHigh level judgment voltage 3 3 5VPackage included 10 x DIY Digital Display LED Logic Pen Electronic Kit
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