How to build 12V Battery Charger with Charging Protection?

Auto Cut Off 12V Battery Charger with Charging Protection and Full Charge Indicator

 

Components Required;-

• TRANSFORMER 12V-0-12V/3A 
• DIODE FR306/1N5408 -4
• CAPACITOR 3300UF/25V-1
•  ICLM317-1 
• 10K POTENTIO METER-2
• 220OHM RESISTOR-1/4W-1
• 12VDC RELAY-1
•  RED AND BLUE 3MM LED-2
• 1K RESISTANCE-1
•  HEAT SINK -1
• SINGLE STRANDED WIRE

CONNECTION DIAGRAM- https://drive.google.com/file/d/1v1YeB-du0x2fxhUWOytmcIh70tvN70MK/view

FOR THE WHOLE PROCEDURE OPEN THE BELOW LINK-TECH PRO

https://www.youtube.com/watch?v=xH0Cro4ZR8k&t=160s