Research Article
An Intelligent, Secure, and Smart Home Automation System
Table 2
Electronic components with specification details used in the project.
| Components | Specifications |
| Raspberry Pi 2B | 40 GPIO pins, 1 GB RAM | A 900 MHz quad-core ARM Cortex-A7 CPU, operational voltage 7–12 V | Relay circuit pack | The 5 V operational 8-relays circuit pack | L293D motor control shield [45] | Supply-voltage range: 4.5–36 V; output current: 600 mA/channel | Smartphone mobile | Android supported | DS18B20 temperature sensor [46] | Temperature range: −55 to 125°C (−67°F to +257°F) | LM393 LDR sensor [47] | Digital switching outputs (0 and 1), external 3.3 V–5 V vcc | MQ2 smoke sensor [48] | Combustible gas, smoke |
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