Sensors

Dust sensor GP2Y1010AU

DS18B20 1-wire Temp Sensor

Pulse Heart Rate sensor

Linear hall sensor module

Adafruit Sensiron SHT31-D Temperature & Humidity Sensor Breakout

Long Flex sensor

Ultrasonic Sensor HC-SR04

Aluminium Plates - 40*50*20mm

GY-45 MMA8452 Three Axis Accelerator Shield Module for Arduino

This is a breakout board that contains MMA8452 IC, which is a 12-bit resolution 3-axis accelerometer. It can detect ±2g/±4g/±8g accelerations. It has I2C communication interface.   
 

Speed sensor

High Sensitivity Microphone Electret Condenser Sound Sensor

GY-87 10DOF MPU6050 HMC5883L BMP180 Pressure sensor module