An Intelligent, Secure, and Smart Home Automation System

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Components</td><td class="align_center">Specifications</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left" rowspan="2">Raspberry Pi 2B</td><td class="align_center">40 GPIO pins, 1 GB RAM</td></tr><tr><td class="align_center">A 900 MHz quad-core ARM Cortex-A7 CPU, operational voltage 7–12 V</td></tr><tr><td class="align_left">Relay circuit pack</td><td class="align_center">The 5 V operational 8-relays circuit pack</td></tr><tr><td class="align_left">L293D motor control shield [<a href="/journals/sp/2020/4579291/#B45" target="_blank">45</a>]</td><td class="align_center">Supply-voltage range: 4.5–36 V; output current: 600 mA/channel</td></tr><tr><td class="align_left">Smartphone mobile</td><td class="align_center">Android supported</td></tr><tr><td class="align_left">DS18B20 temperature sensor [<a href="/journals/sp/2020/4579291/#B46" target="_blank">46</a>]</td><td class="align_center">Temperature range: −55 to 125°C (−67°F to +257°F)</td></tr><tr><td class="align_left">LM393 LDR sensor [<a href="/journals/sp/2020/4579291/#B47" target="_blank">47</a>]</td><td class="align_center">Digital switching outputs (0 and 1), external 3.3 V–5 V vcc</td></tr><tr><td class="align_left">MQ2 smoke sensor [<a href="/journals/sp/2020/4579291/#B48" target="_blank">48</a>]</td><td class="align_center">Combustible gas, smoke</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Electronic components with specification details used in the project.</div>

Scientific Programming

An Intelligent, Secure, and Smart Home Automation System

Table 2