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Air display - A Noisemaker without noise. A simple
rotating display. Just spin and enjoy. While the "Air display" is
rotating, it writes the message on the air. Because the "persistence of
the vision", you will be able to read the message....(electronic design
added 06/07/08) |
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Alphanumeric LED Display Project - A phenomenal 256-diode ROM
acts as a character generator for a two-digit hexadecimal display.
(project added 11/06) |
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Alternating LED Blinker uses Four Parts - 03/26/98 EDN-Design
Ideas...../Grand Prize Winner 98 -The circuit in Figure 1 is an
easy-to-make attention-getter and runs for a week or longer on two AA
cells. In October, I used this circuit for a school fundraiser, and it
helped me..... [Design Idea by Andy Meng, Cincinnati, OH] |
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Alternating LED Flasher uses Minimal Parts - 11/20/97 EDN-Design
Ideas.....A pair of alternating flashing LEDs makes an excellent visual
alarm, this alternating LED flasher is based on one LED with built-in
flashing function and two transistors driving or normal LED….
[Design Idea by Dennis Eichenberg, Parma Heights, OH] |
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Alternating LEDs Flasher - Classic astable multivibrator using 2
transistors. Transistor is not critical. Try these: 2N4401, 2N2222, NTE123A, NTE123AP,
NTE159, TUP/TUN and those in your junk box, you may find that most of them will work.…
[Tony van Roon's circuit] |
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AN 30 LX1995 LED Driver: Camera Flash Application - Application Note
Microsemi 1313 (added 05/07) |
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An Efficient & Low Cost Alternative to LEDs for Backlighting Handheld Computer
Displays - DN1004 Design Notes (Linear Technology) (app note
added 1/06) |
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An LED Flasher with a Slow Rise & Fall Time - A Simple Circuit Using a
555.....(design added 12/08) |
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AN-1250: Inductive Based Switching Regulator Circuits Provide High Efficiency White
LED Drives - National Semiconductor Application Note (app note added
2/06) |
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AN-1251: Switched Capacitor Circuits Provide Efficient & Functional White LED Drive
- National Semiconductor Application Note (app note added 2/06)
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AN-1291:Driving RGB LEDs using Lp3933 Lighting Management System - National
Semiconductor Application Note (app note added 2/06) |
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AN-1293: Driving RGB LED using Lp3936 Lighting Management System - National
Semiconductor Application Note (app note added 2/06) |
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AN-1324: LM3570: Low Noise White LED Driver System - National Semiconductor
Application Note (app note added 2/06) |
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AN-1362: LM27961-Dual-Display White LED Driver with 3/2x Switched Capacitor Boost
- National Semiconductor Application Note (app note added 2/06)
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AN-1392:LM3485 LED Demo Board - National Semiconductor Application Note
(app note added 2/06) |
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AN33 ZXSC100 Single cell DC-DC converter LED driving applications - Zetec
Semiconductors Applications Notes ZXSC100 single cell DC-DC converter offers an
ideal solution to driving white LEDs in flashlights, enabling operation from a single
NiCd or NiMH cell. (app note added 6/06) |
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