KY-031 Knock Sensor Module
The KY-031 Knock Sensor module is a vibration sensor that sends a signal when a knock/tap is detected. Compatible with Arduino, ESP8266, ESP32, Teensy, Raspberry … Read more
Switches & Input
KY-026 Flame Sensor Module
The KY-026 Flame Sensor module detects infrared light emitted by fire. This module has both digital and analog outputs and a potentiometer to adjust the … Read more
KY-025 Reed Switch Module
The KY-025 Reed Switch Module is a small electrical switch operated by an applied magnetic field, commonly used as proximity sensor. The module has both … Read more
KY-023 Dual Axis Joystick Module
The KY-023 Dual Axis Joystick module uses a uses a biaxial potentiometer to control the X and Y axis. When pushed down, it activates a … Read more
KY-021 Mini Magnetic Reed Switch Module
The KY-021 Magnetic Reed Switch module is a switch that is normally open and gets closed when exposed to a magnetic field, sending a digital … Read more
KY-020 Tilt Switch Module
The KY-020 Tilt Switch Sensor module is a switch that reacts to movement. It closes the circuit when it’s tilted to the side as long … Read more
KY-019 5V Relay Module
KY-019 Relay Module is used to control AC circuits, the relay acts as a switch that responds to a signal received from the Arduino, it has an integrated … Read more
KY-018 Photoresistor Module
The KY-018 Photoresistor module is used to measure light intensity. The resistance will decrease in the presence of light and increase in the absence of … Read more
KY-017 Mercury Tilt Switch Module
The KY-017 Mercury Tilt Switch module is a switch that responds to movement. It uses a small mercury ball that completes the circuit when the module … Read more
KY-003 Hall Magnetic Sensor Module
The KY-003 Hall Magnetic Sensor module is a switch that reacts to the presence of a magnetic field, turning itself on or off. Compatible with … Read more