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

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

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

10PC NEU 4-pin photoresistor sensor module Light detection photodiode #YT

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

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

5PCS Finger detection heartbeat module KY-039 #YT

10PC NEU Sound detection sensor module Sound sensor for intelligent vehicles #YT