KY-031 knock sensor module. A vibration sensor that sends a signal when a knock/tap is detected. Compatible with Arduino, ESP8266, …
5mm dual color LED module KY-029 for Arduino, emits red and green light. You can adjust the amount of each …
Digital Temperature Sensor KY-028 for Arduino, it measures temperature changes based on the thermistor resistance. This module has both digital …
Arduino KY-027 Magic Light Cup Module is a set of two boards, each one has a led and a mercury …
KY-026 Flame Sensor Module for Arduino detects infrared light emitted by fire. The module has both digital and analog outputs …
KY-025 Reed Switch Module for Arduino is a small electrical switch operated by an applied magnetic field, commonly used as …
The KY-024 Linear magnetic Hall sensor reacts in the presence of a magnetic field. It has a potentiometer to adjust …
KY-023 Arduino joystick module, it uses a biaxial potentiometer to control the X and Y axis. When pushed down, it …
Arduino magnetic reed switch module Keyes KY-021. A reed switch is a magnetic sensor that is normally open and gets …
KY-020 Arduino tilt switch sensor module. Closes the circuit when it is tilted to the side as long as it …