HW-399 4-channel Optocoupler Isolation Module for Arduino high and low level expansion board electronic building blocks Red

1.91 $

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More than 9 years of seller experience
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HW-399 4-channel Optocoupler Isolation Module for Arduino high and low level expansion board electronic building blocks Red 2026 - buy cheap

HW-399 4-channel Optocoupler Isolation Module for Arduino high and low level expansion board electronic building blocks Red - compare prices

HW-399 4-channel Optocoupler Isolation Module for Arduino high and low level expansion board electronic building blocks Red - specifications

HW-399 4-channel Optocoupler Isolation Module for Arduino high and low level expansion board electronic building blocks Red - photo 2026

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Product specifications

Brand Name: Olago
Origin: CN(Origin)
Gender: Unisex
Age Range: 5-7 Years
Barcode: Yes
Certification: 3C
Material: Wood

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