Implementation of Sensor and Communication Technology for PAL Products

Abstract: DD Company AB wanted to improve their existing products the football training rebounding board PAL and their PAL Cones. Their suggested solution was to create an application which communicates with PAL and PAL Cones via Bluetooth. The goal was to have an app which can record how many times PAL has been hit during a set time span and control PAL Cones to indicate to the player to step on a specific cone. PAL's problem was solved by on it place a base unit made of an accelerometer to sense impacts, a BLE112 Bluetooth module to communicate over Bluetooth and an Arduino UNO for reading the accelerometer and signal the Bluetooth module which transmits a hit counter over Bluetooth to the mobile application. The PAL Cone uses only the BLE112, a LED, a button and a button cell battery to keep the size to a minimum. The base unit is able to filter the initial impact from the residual vibrations and sends a updating hit counter over a Bluetooth connection to the mobile application. The mobile application can control the counter by sending commands to the base unit. After a hit the mobile application can activate a cone to light up and receives feedback when a player steps on the specified cone.