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1PCS YDS-5 DC-DC USB step-down stabilized voltage supply module 12-36V to 5V 3A short circuit protection
50PCS 1206 side Bai Guangzheng white white light SMDLED LED SMD LED lamp bead
1PCS Small system board STM8S103K3T6 STM8S development board core board core board to send code routines
20pcs/lot HY860N transmissive photoelectric switch Groove-shaped slot photoelectric sensor, slot pitch 3.2mm
2PCS 4 needle photosensitive sensor detection module light photosensitive resistance photosensitive diode module