Table 2.

Specification of the inertial measurement unit (IMU).

Electronic Module	Parameter	Value
MPU 9250 IMU	Accelerometer FS range Gyroscope FS range Magnetometer FS range	Range of ±2 g, ±4 g, ±8 g and ±16 g Range of ±250, ±500, ±1000 and ±2000°/sec Range of ±1200 µT
nRF24L01 Transceiver	ISMa band operation Air data rate Programmable output power	2.4GHz 250 kbps, 1 and 2 Mbps 0, −6, −12 or −18 dBm
Arduino Pro mini	Circuit operating voltage Clock Speed Flash memory	3.3 V or 5 V 8 MHz (3.3 V version) or 16 MHz (5 V version) 32 KB
Arduino Uno	Circuit operating voltage Clock Speed Flash memory	5 V 16 MHz 32 KB

^aISM: Industrial, Scientific, and Medical.