Circuits & Schematics Light: led - 11

Subsection: "Light"
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  Colour Organ   LEDs
Search results: 137 Output: 101-110
  1. .. drifting, but the other videos do have the sensor and therefor remain in the one position. The sensor is made of an IR LED shining straight into a photo diode. When there is nothing interrupting the signal, the photo diode has max current ...
    11-11-2009
  1. .. electronic projects This was my first attempt at a nice and colourful RGB LED POV Display. POV stands for persistence of vision. The circuit uses just 8 RGB leds which are mounted vertically ...
    10-11-2009
  1. .. which I can select using the little button. A year ago, I didn’t have any sort of enclosure in mind. The led array was assembled on a ’standard’ sized protoboard, so I probably thought about using a plastic or ...
    23-11-2009
  2. .. (5mm) 1x 16f648a or 16f628a microcontroller 5x 74373 tri-state buffers / latches 1x 27C512 / 27E512 EPROM / EEPROM 1x IR LED 1x Photo Diode 1x 2n2222 NPN Transistor 24x 100 ohm resistors 4x 10k resistors 1x DC motor
    19-11-2009
  3. .. is here (450 kB PDF file). So whatsa Joule Thief? It's a little wisp of a circuit that allows you to drive a blue or white LED from a low voltage. Normally, if you want to light up a blue or white LED you need to provide it with 3 - 3.5 V, ...
    25-11-2009
  4. .. (Fig. 1a). The improved version requires only one additional resistor (Fig. 1b). It can be designed for most reasonable LED voltages and supply voltages, as well as to yield the desired on currents in each LED, which may be different if ...
    03-12-2009
  5. .. 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
  6. .. 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
  7. .. 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
  8. .. 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

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