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10pcs/lot KTIR0811S reflective photoelectric switch sensor DIP bent foot DIP wavelength 940nm sensing distance 1mm
5PCS Original authentic STC8H3K64S4-45I-LQFP32 STC8H1K16-36I-LQFP32 STC12C5620AD-35I-LQFP32 1T 8051 microprocessor chip
5PCS PN502 light-sensitive Diode 100% New Original Silicon Photodiode Silicon Photoelectric Triode
1PCS 2000 w import high power electronic voltage regulator, silicon controlled dimmer, speed regulation, high temperature and re