It took a while for me to post my blog... just had to face some issues and The Christmas celebrations. I have managed to do my schematics of my Smart Headlight circuit.
The 3.3 voltage, GND and ADC channel 8 goes through the ST1 screw terminal of the circuit, the GPIO pins P2.5, P8.2 and P8.3 goes through the ST2 screw terminal. The second part of the whole circuit schematics is shown below...
The ST1 screw terminal connected to LDR with 100K resistor, along with voltage divider point, the LDR will act as light sensor and send analog data to MSPFR4133 to the ADC channel 8, the MCU then process the data and send the output in GPIO pins P2.5, P8.2 and P8.3 which connected to ST2 screw terminal. The 3 outputs from MCU are connected to BJT NPN 2N2222A transistors to drive high voltage and control LEDs, as the MCU can able to send not more than 3.3V on GPIO pins. We need to supply secondary voltage which is able to drive high power LEDs, so we can close the 12V secondary voltage circuit by passing Base voltage to each transistor with GPIO outputs. On each Collector side of the transistors the LEDs are connected both in series and parallel, 4 LEDs in series with 1K resistor and the LED series connected in parallel.
Würth Elektronik's high bright LED can drive 3.2V average and 3.6V maximum forward voltage in the typical current rate of 350mA, we can pass maximum limit of 1A current. So in my circuit there is 4 LEDs in series which is 12/4 = 3V for each LED, each series will get 12V of power, so I will get real bright output from WE LEDs... 32 LEDs connected for white light, 24 LEDs connected for yellow light and 20 LEDs for blue light.
I am working on my PCB design for my circuit, I am going to etch it myself and I will post the process...
Würth Elektronik's components are really helping me a lot in my situation, they have sent all the parts I have asked in prompt manner, even they put me in guilty position by asking me "What else you need" I am speechless...This is my personal message to Würth Elektronik - You guys are GREAT and ROCKS 
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