TTP229 Digital Capacitive Touch Sensor Switch Module (16 Digital)

GY-273 Triple-Axis Magnetometer Compass Module HMC5883L. An electronic module identified by its model and function.

Two-wire temperature sensor with a 1-metre lead. The listing mentions both PT100 and K-type; confirm the sensor type before selecting an interface.

4Pin LDR Module - Optical Sensitive Resistance Light Detection Sensor Module. A light-dependent resistor for light-sensing circuits.