Infrared Receiver LED 3mm 2-PIN. An infrared receiver for compatible remote-control signals.

Infrared Transmitter LED 3mm 2-PIN. An LED component in the stated size and color.

Infrared Receiver 3-PIN. An infrared receiver for compatible remote-control signals.

• Input Voltage: 3.3V ? 5.5V DC
• Module size: 15mm x 11mm
• Stable touching detection of human body for replacing traditional direct switch key.
• AB=00:No-lock High TTL level output;
• AB=01:Self-lock High TTL level output;
• AB=10:No-lock Low TTL level output;
• AB=11:Self-lock Low TTL level output;

IR General Purpose Remote Control. A remote control using the stated infrared format.

Motor Speed Encoder Sensor Module

• VCC Connect the positive 3.3 5 V power supply
• GND Connect power negative
• DO TTL switch signal output
• AO This module does not work

HC-SR04 Ultrasonic Sensor Module. Designed for measuring distance using ultrasonic signals.

Infrared flame sensor module for electronics and sensing projects. Check the module specifications and wiring requirements before connecting it.

DHT11 Humidity and Temperature Sensor Module. Designed for monitoring temperature and humidity.