KY-022 TSOP1838 IR Sensor Module is ideally suited to infrared light detection within the range of 700nm – 1mm. Technical Specification: Receiving angle: 90° Working voltage: 2.7 ~ 5.5V Frequency: 37.9KHz Receiving range: 18m Size: 6.4mm*7.4mm*5.1mm (L*W*H) Features: Light resistance strong electromagnetic interference Built-in infrared dedicated IC Easy and convenient to use Mini size, convenient…