Circuits & Schematics Light: led - 10

91. Offline supply drives LEDs
    Circuits Light Power
    .. drops during its cycle. The circuit in Figure 1 lets you use an inductor-less, switching, offline power supply as an LED driver for emergency-exit signs and neon-light replacements. The design uses off-the-shelf components, offers ...
    12-05-2011

92. Digital Impulse Relay
    Circuits Automation Light Power
    .. 3 K R2 100 K R3 1 K R4 10 K R5 1 K R6 100 K R7 1 K C1 100 nF C2 100 nF С3 1 uF/25V С4 1 uF/25V С5 1 uF/25V С6 1 uF/25V LED1 led diode K1 12V relay PCB Download PCB and Schematic Eagle files Photos Video electronics-lab.com
    15-12-2010

93. Perpetual Candle - White LED Lamp on Ni-Cd
    Circuits Beginners Light Power
    .. is a easy to build LED lamp circuit for Learning and building skills. This is the first draft schematic V 1.0. It will need improvements ...
    04-12-2010
94. Set LEDs' Hue from Red to Green
    Circuits Light
    .. of 32 of hues, uses red and green LEDs. A constant current divides into two components. One component flows through a red LED, and another one flows through a green LED. You can vary the current from 0 to 100% through the red LED, and thus ...
    10-11-2010
95. High Power LED mood Lamp
    Circuits Microcontrollers Usage Light
    .. Beerten Introduction In this page we will introduce a great project designed by Toon Beerten. His project named DIY Led Mood Lamp can become a very interesting add-on for your room that's absolutely sure it will impress everyone. As ...
    08-11-2010
96. PWM Motor Speed Controller / DC Light Dimmer
    Circuits Light Power
    .. Hz Current Rating 3 A with an IRF521 FET, 10A with an IRFZ34N FET and heat sink PWM circuit current 1.5 mA @ 12V with no LED and no load Operating Voltage 12V or 24V depending on the configuration Theory The PWM circuit requires a steadily ...
    15-10-2010
97. High Efficiency 12V White LED Driver
    Circuits Supply Light Power
    .. DC powered LED lighting circuits can vary from trivial single LED/series resistor combos to simple analog current regulators to ...
    15-10-2010
98. Solar Powered Night Light
    Circuits Supply Light Power Solar
    .. Cook Introduction This circuit is for a solar powered white LED with automatic activation in the dark. It can be used for both indoor and outdoor night light applications. For ...
    15-10-2010
99. Outdoor Garden Solar Lights
    Circuits Supply Light Power Solar
    .. Outdoor LED Solar Garden Lights project is a hobby circuit of an automatic garden light using a LDR and 6V/5W solar panel. ...
    12-10-2010
100. A CharliePlexed RGB LED Dice
     Circuits Microcontrollers Usage Light
     .. project uses 7 RGB LEDs arranged in the form of dice.Each RGB LED has three separate LEDs inside so that makes a total of 21 LEDs and they have been controlled by 4 I/O pins of ...
     11-10-2010

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