10PCS NEW 4-pin photoresistor sensor module Light detection photodiode #YT

10PCS 4-pin photoresistor sensor module light detection photodiode #TT

1PC NEW Fire detection Flame sensor plus relay module infrared reception #YT

10PCS Water level sensor Water droplet depth detection #TT

10PCS NEW Sound sensor/Sound detection module/Sound module #TT

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

1PCS NEW Open source Mini MP3 Player player module SD card music DFPlayer

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