[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