1PCS Raindrop rain module Sensor module Highly sensitive controller module #YT

1PCS Flame sensor module Relay module 2-in-1 flame detection fire alarm #ZJ

1PCS 5V thermistor sensor module Relay module 2 in 1 #ZJ

1PCS NEW Weather module Large area raindrop module /PCB empty board #YT

1PCS Finger detection heartbeat sensor module MCU learn UNO #ZJ

1PCS Photoelectric sensor Infrared beam counting sensor module slot width 9mm#ZJ

1PCS Flame Sensor module Infrared receiver module (4-wire system) #ZJ

1PCS Motor speed measuring Hall switch sensor module #ZJ