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Search results: 137   Output: 61-70
  1. This year I’ve been going on a lot of bike rides with friends, sometimes on public roadways, sometimes after dark. My bike has a nine watt 500 some odd lumen headlight, which makes it easy to see where I’m going, and definitely makes me ...
  2. Things to note in the source code: You can easily define how many frames of animation are in your animation loop by changing the total_frames variable to how ever many frames you have. The flying animation example has 178 frames. If you only have ...
  3. The drawing process is really quite simple. The pic microcontroller puts 00000000 00000000 on the eeproms address bus (selects the first address) This byte of info (at that address) is now placed on the data bus and all RED GREEN AND BLUE ...
  4. Brads 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 and when spun horizontally it gives the illusion of ...
  5. By simply touching this touch dimmer switch you can increase the light intensity of incandescent lamps in three steps. Initially, when mains switch is on, the bulb is off. Now, if you touch the touch plate, the bulb glows dimly. On second touch, ...
    Circuits » Light » Tontek » TT6061A, TT8486A
  6. Features Drive 13W Compact Lamp 110 or 220 Vac Input High-Frequency Operation (34kHz) Soft Start with Cathode Preheating (45kHz) Lamp Removal Protection Burst Mode with Auto Restart IR53H420 Integrated Half-Bridge This application note is intended ...
  7. Failures Common failure is broken capacitor C3. It is possible mainly at cheap lamps, where are used cheaper components for lower voltage. Whet the pipe doesn't lights up on time, there are risk of destroying transistors Q1 and Q2 and next ...
  8. Introduction Compact fluorescent lamps have some benefits in comparison with classic light bulbs. It is lower power consumption (to 80%) and much longer lifetime (5 to 15 times). Disadvantages are longer starts mainly at more expensive types, ...
  9. Paul Hill The circuit is drawn with PCB 123 which you can download for free from Click for enlarge As a keen cyclist I am always looking for ways to be seen at night. I wanted something that was a novelty and would catch the ...
  10. Constant current circuitry 12V Battery operation Circuit diagram: Parts: R1 10K 1/4W Resistor R2 33R 1/4W Resistor (See Notes) R3 15R 1/4W Resistor (See Notes) D1 1N5819 40V 1A Schottky-barrier Diode (See Notes) D2--D13 LEDs High brightness, high ...

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