Research Article
[Retracted] IoT-Based Smart Health Monitoring System for COVID-19 Patients
Table 1
Lists of the required hardware components, their quantity, and cost of the products.
| Item description | Unit price | Quantity | Total price (BDTK) |
| Arduino Uno | 420 | 1 | 420 | Temperature sensor | 450 | 1 | 450 | SpO2 Pulse Sensor | 1400 | 1 | 1400 | Node MCU Wireless Module | 525 | 1 | 525 | Bluetooth module | 280 | 1 | 280 | LCD display | 285 | 1 | 285 | Buck converter | 82 | 1 | 82 | 3.7 lithium battery | 60 | 2 | 120 | 3.7 lithium battery protector | 45 | 2 | 90 | 2 s lithium battery | 1850 | 1 | 1850 | 2 s lithium battery protector | 250 | 1 | 250 | 9 V 2A battery adapter | 100 | 1 | 100 | Wire set | 120 | 2 | 240 | Switch | 10 | 1 | 10 | Buzzer | 18 | 1 | 18 | Total | | | 6120 |
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