RFID and Keypad based door lock using Arduino

preview_player
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Follow below link for complete tutorial
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You just saved my gcse coursework thanks so much

Sams_adventuress
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Sir can i have a question ?? Can i use sim900a gsm module? Not a sim900

milkyzull
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I made the almost same a year ago but my system has instad of an lcd an rgb led and gos on a mysql server to ger the rfid‘s and password and it also turns the light on when the door is opening and i also used blynk for remote😏

mihigyver
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Can i change the servo to solenoid door lock? Please help the circuit diagram and coding

kevinjunior
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my servo just spins constantly, any ideas?

hybridz