Journal of Sensors / 2019 / Article / Tab 1

Research Article

Piezoresistive Breathing Sensing System with 3D Printed Wearable Casing

Table 1

Comparison of several features of the proposed sensor and other state-of-the-art sensors.

StudySensorProcessing unitData displaySampling rate (Hz)Data transferEnergy storage

ProposalPiezoresistive FlexiForce A201Arduino Pro Mini (Atmega 328p)PC, Android device50Bluetooth (HC-05 module)3.7 V-150 mAh, Li-battery
Hesse et al. [12]Piezoresistive FlexiForce A201MSP430FG4618PC100Flash memory/nRF24L01 moduleCR2025 coin cell
Mahbub et al. [1]PVDF transducerADCIR-UWB3 V-600 mAh Li-polymer battery
Rotariu et al. [35]Piezoelectric beltArduino LeonardoTablet, PC10USB serial port
Ciobotariu et al. [34]Piezoelectric beltPersonal digital assistantPC10WiFi, GSM/GPRS, USB serial portCR2023 3 V, 225 mAh Lithium coin battery
Hoffman et al. [2]CapacitiveMSP430F1612PC6Bluetooth (Stollmann BlueMod+B20)590 mAh Li-polymer battery
Grlica et al. [36]CapacitiveDAQ commercial unitPC9.1USB serial port2,000 mAh Li-ion battery
Yang et al. [37]CapacitiveSmartphoneBluetoothCoin battery
Yang et al. [38]CapacitivePIC24FJ256PC10Bluetooth
Min et al. [39]CapacitiveDAQ commercial unitPC100USB serial port
Witt et al. [6]FBGDAQ unitDAQ unit250Optical fiber RF nanoLOC AVR module for telemonitoring
Jonckheere et al. [67]FBGDAQ unitPCUSB serial comm.
Presti et al. [40]FBGDAQ commercial unit (interrogator)PC250USB serial comm.
Massaroni et al. [41]FBGDAQ commercial unit (interrogator)PC250USB serial comm.
Yang et al. [42]Fiber optic microbendOptical transceiverPCBluetooth
Padasdao et al. [9]DC brushed motor
Teichmann et al. [43]Electromagnetic coupling sensing coilMicrocontrollerPC, Android device100BluetoothLiPo 2.95 Wh battery