GY-521 MPU6050 Accelerometer and Gyroscope Module

GY-291 ADXL345 Accelerometer Module. An electronic module identified by its model and function.

LJ12A3-4-Z Proximity Sensor, NPN, 12mm Dia, 4mm, 3-Wire, DC6-36V. Designed for detecting nearby objects.

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.

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