The H3LIS331DL is a Triple Axis Accelerometer that has a shock survivability of 10,000g’s and an adjustable output range of 100, 200 or 400g’s.

The Arduino Nano is a small breadboard compatible micro-controller that uses the ATmega328p processor. It functions the same as a regular Arduino but is more compact which is ideal for wearable devices.

The RN4870 Click is a Bluetooth low energy (BLE) microchip that is designed for easy implementation and interfaces with other micro-controllers over UART.

The TPS3001 is a Buck-Boost Converter that will be used to regulate and step-down the voltage from the LiPo battery that we will use to power the device.