Uses a 3.3V power supply / High-performance analog front. Ultra low power operation increases battery life for wearable devices. Measures absorbance of pulsing blood.

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1. 10 DOF Module (3 axis gyroscope 3 accelerometer 3 axis magnetic field air pressure) 2. Technology:Immersion Gold PCB 3. Chip: MPU6050 HMC5883L MS5611 4.Power Supply :3-5v 5.Communication: IIC communication protocol (fully compatible with the 3-5v System, circuit LLC is contained ) 6.Size: 2.2cm * 1.7cm

TCS3200 Color Sensor is a complete color detector, including a TAOS TCS3200 RGB sensor chip and 4 white LEDs. The TCS3200 can detect and measure a nearly limitless range of visible colors. Applications include test strip reading, sorting by color, ambient light sensing and calibration, and color matching, to name just a few.

Magnetic fields and current go hand-in-hand. When current flows through a wire, a magnetic field is created. This is the basic principle behind electromagnets. This is also the principle used to measure magnetic fields with a magnetometer. The direction of Earth's magnetic fields affects the flow of electrons in the sensor, and those changes in current can be measured and calculated to derive a compass heading or other useful information