10PCS NEW Finger detection heartbeat sensor module KY-039/MCU/sensor learning#YT

20PC NEW Finger detection heartbeat sensor module KY-039 #YT

5PCS Finger detection heartbeat sensor module KY-039 / MCU/sensor #YT

10PC Infrared emission sensor module/KY-005 #TT

10PC Analog temperature sensor module/KY-013 #TT

5PC NEW 5V finger heartbeat sensor detection module KY-039 #YT

5PCS Finger detection heartbeat module KY-039 #YT

10PC Vibration switch sensor module Vibration sensor KY-002 #TT