Table 3. Performance evaluation of the proposed system against previously proposed systems.

Features	Automation systems
	Patchava, Babu Kandala & Ravi Babu (2015)	Jabbar et al. (2018)	Hadwan & Reddy (2016)	Mahamud et al. (2019)	Jabbar et al. (2019)	Dey, Roy & Das (2016)	Vishwakarma et al. (2019)	Singh et al. (2019)	Proposed
App to make home prototype	✗	✗	✗	✗	✗	✗	✗	✗	✓
Device status data logging	✗	✗	✗	✗	✓	✗	✗	✗	✓
Real time sensors data display	✓	✗	✓	✓	✓	✓	✗	✗	✓
Use of micro-processor (Raspberry Pi)	✓	✗	✓	✗	✗	✓	✗	✗	✓
Internal network in case of gateway failure	✗	✗	✗	✗	✗	✗	✗	✗	✓
Sensors recent state recovery	✓	✗	✓	✗	✗	✗	✗	✗	✓
Light and fan intensity control using pulse wave modulation	✗	✗	✗	✗	✗	✗	✗	✗	✓
Use of blockchain security	✗	✗	✗	✗	✗	✗	✗	✗	✓
Predictive model based on usage of appliances and sensor data	✗	✗	✗	✗	✗	✗	✗	✗	✓
Use of ordinary electrical appliances	✓	✗	✓	✗	✗	✗	✗	✗	✓