|
| Work year | Sensor/technology used | Purpose | Limitation |
|
| [19] 2020 | ArduinoTmega2560, IoT | Assist handicapped people to control home appliances | Unsecured authentication of users |
| [20] 2019 | Elegoo Mega 2560, Web Server | Intimate owner about the door opening event in the home or office | A registration system requires keeping track of signals between multiple transmitters. |
| [21] 2018 | Arduino UNO, ESP-8266, local Wi-Fi | Remotely control electrical and electronic devices in the home | More time delay in turn on/off of an appliance |
| [22] 2017 | Wireless sensor network | Provide novel secured and energy efficient home automation | Expensive; only shows temperature |
| [23] 2016 | Electrical switch, Internet | Regular monitoring of home appliances | Lack of secured communication among connected devices |
| [24] 2015 | GPRS, speech recognition | Remote operating of electrical devices in home | Lack of security and user authentication |
| [25] 2013 | Android ADK | Support handicapped and old-age people to control home appliances | Limited control of light and device on/off |
| [26] 2011 | Bluetooth | Cell phone-based control of home appliances | Limited GUI support for Symbian OS cell phones; limited range (50–100 m) |
| [14] 2009 | ZigBee microcontroller | Connectivity of devices within the home | Short range; low data speed |
| [15] 2002 | Bluetooth | Control home appliances | Intrusiveness of the installation |
| [16] 2004 | Personal computer (PC) based web server (Java-based technology) | Remotely connectivity of devices | Intrusive and expensive wired installation |
| [17] 1998 | Phone-based controller | Remotely control home appliances | No graphical user interface |
| [18] 1993 | Novel control network (hand gesture technology) | Remote control of objects using free-hand gestures | Inaccuracy of hand gestures; user fatigue if repetitive hand gestures are required |
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