| Components | Use | no. |
|---|---|---|
| LCD | display the cpr and any warnings | 1 |
| LEDS | warning and to know if it was good or bad cpr | 3 |
| Buzzer | warning | 1 |
| DHT | measuring the humidity to know if the patient start breathung | 1 |
| Pulse sensor | to observe the heartbeat | 1 |
| Ultrasonic sensor | measuring the depth while doing CPR to protect the patient from breaking his chest | 1 |
| Pressure sensor | to meassure the pressue of the hand | 1 |
| Push button | to count the number of cpr | 1 |
The CPR feedback device consists of the following features:
- Real Time Rate Measurement
- Depth Indicator
- Time
- Chest Recoil Indicator
- CPR Cycle Counter
Reference