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Since the pandemic of the novel coronavirus (COVID-19) disease began in 2019, social isolation and quarantining have become universally accepted procedures. Frequent hospital contact visits are avoided as a result of the full acceptance of the aforementioned control methods. However, some patients still need routine monitoring for their physiological needs in order to live healthier lives. However, due to the risk of contracting the illness, doctors and nurses are unable to physically monitor the patients. Many people who are arriving in their respective hometowns from various locations are being confined at home due to the ongoing COVID-19 problem in order to protect other people. Interestingly, contact-based monitoring is now viewed as optional due to recent technological advancements in the fields of Internet of Things (IOT) technology and healthcare systems. In order to accomplish this, a home-based IOT-based health monitoring system for quarantined individuals is suggested. Being an infectious and contagious disease, coronavirus disease (COVID-19) is. As a result, we should regularly assess their state of health. The major purpose of this system is to monitor the health metrics like heartbeat, temperature, and presence of harmful gas in the environment by using Internet of Things (IOT) (IOT). On Embedded C, we create a piece of code that defines the threshold value. By gathering the raw values from the sensors, Arduino UNO processes these characteristics. The sensors that we suggested are the blood pressure, body temperature, and respiration sensors. The patient's current health condition will be continuously tracked and updated on the web server. A buzzer alert will be generated if any of the parameters exceeds the defined threshold levels, and it will use GSM technology to send an SMS to the recommended doctor and emergency contacts.