ESP32 18650 Lithium Battery Shield V3 Mobile Power Expansion Board Module 5V/3A 5V/2A 3V/1A Micro USB For Arduino ESP32 ESP8266|Instrument Parts & Accessories| - AliExpress
Arduino keypad entry system | Grallator
Relay Module + Solenoid Door lock How to control them with an Arduino - YouTube
Power Your Arduino Project with a Lithium Battery
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350LBS Electric Magnetic Door Lock, 180Kg Electromagnetic Electronic Magnetic Force Door Lock for Access Control Single Door DC12V Fail Safe NC Type - - Amazon.com
Ares Vision 12v 5 AMP Back Up Power supply transformer for Access control devices such as Magnetic locks, Electric strikes, Motorized drop bolts (12V 5A w/Backup)
Solenoid valve with Arduino | Arduino interface with Solenoid Valve | Arduino tutorial
Magnetic door lock using arduino
Arduino - Solenoid Lock | Arduino Tutorial
RFID based door lock system using Arduino with LCD display – Circuit Schools