DIY Cheapest Bluetooth Controlled Home Automation
Step 1: COMPONENTS REQUIRED Bluetooth module (HC-05) AT89S52/C51/S51/C52 microcontroller Relay Driver ULN2003A Relay Resistances and capacitors as circuit diagram depicts(below) power module(if the input is more than 5V or else not necessary) IC 7805(5V voltage regulator) 1000uF capacitor 10uF capacitor led and resistance(as per convenience so that led doesn’t get damaged) IMPORTANT NOTE: USE 11.0592MHz […]
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