This light chaser circuit (music-operated lighting effect generator ... The amplified output is fed to IC LB1403 (IC3) at its input pin 8. IC3 is a five-dot LED level meter commonly used in stereo ...

This colorful back led aquarium lights gives natural appearance to the Aquarium tank. The Aquarium Led Lighting circuit automatically turns on at sunset and gives changing White, Blue and Green color ...

Guest columnist Faraz Hasan, marketing and business development manager at Tyco Electronics Circuit Protection Products says that LEDs can require overcurrent protection despite built-in safety ...

Lighting a string of LEDs at a ... sense resistor drops to zero. The control circuit responds by increasing the PWM on-time to boost the output voltage higher in a failed attempt to increase the LED ...

Light-emitting ... 1 example includes LED loads D1 + D2, D3 + D4, D5 + D6 and a power-supply output voltage, with a constant output current, providing the circuit input voltage (V IN).

Since then, designers have grown to appreciate the LED, not for what it’s not (an incandescent bulb) but for what it is: a tiny light source that opens up the possibility of new and entirely ...