12 Volt LED dimming with PWM

Hello everyone,

I'm a newbee. I have a project with 12 volt LED lamp which have a source from solar panel. I want to control the LED with 100% brightness for 5 hours after the LED is powered ON and automatically switch to 50% brightness for 5 hours ? I also have a problem about the circuit. I hope someone will replied my question. Thank you

-Hani-

Post a link to the data sheet or page with details about the lamp. Not all lamps can be dimmed. If it is possible to dim this lamp, you will need to use a transistor of some kind, for example a mosfet. Post a schematic of your circuit and we can check it for you.