Tilt Switch Sensor Module for Arduino AVR PIC KEYES KY-020

Active Buzzer Module For Arduino AVR PIC Keyes KY-012

Analog Temperature Sensor Module For Arduino AVR PIC Keyes KY-013

KY-039 Finger Measuring Heartbeat Sensor Module Keyes for Arduino

MQ-2 Gas Sensor Module Smoke Hydrogen Butane LPG Methane Detector for Arduino

Magnetic Hall Effect Sensor Module for Arduino Keyes KY-003

Light Blocking Sensor Opto Interrupter Module Keyes KY-010 Arduino

Hit or Knock Sensor Module for Arduino Keyes KY-031