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Voice digital clock making kit digital tube LED clock single chip microcomputer welding practical training electronic DIY spare

USD 4.37USD 4.60

Voice digital clock making kit digital tube LED clock single chip microcomputer welding practical training electronic DIY spare

Description
Specification
SN74LS02N 74LS02 DIP-14
USD 0.04USD 0.05
1piece SSC9513 9513 DIP-16
USD 0.34USD 0.38
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