I did another experiment to use red LEDs for a break light. Those are high-wattage and high efficiency type of LEDs and you can expect 1/25 of less power consumption compared with regular bulbs. You also can expect longer life more than 50…

Can you guess what this is? Below photo is taken with a flush light. The photo below is taken with no flush light with a quick shutter speed. You see, this is a board on which LEDs are mounted. There are 4 greens, 2 reds and 2 blues. One o…