LED and Lightening
Get flash to fully experience Pearltrees
This is a simple-minded design tool that allows you to calculate component values MC34063A simple switcher chip. It displays the appropriate scematic diagram (step-up, step-down, or inverting) and checks for current and voltage limits. Feedback resistors are chosen from standard component values so that the output is as close to desired value as possible. I created it as experiment to learn about client-side JavaScript programming and about how it interacts with input forms. Hopefully it proves useful for somebody. Typical input capacitor value is about 100uH, all electorlytics need to be low ESR types.
MC34063A design tool
I recently saw the cool mood lamp by Philips and I liked it. What I did not like was the price.
Arduino mood light
Posted by admin on September 07, 2009 Arduino , Projects This is a project I have been working on for the past 2-3 weeks.
Blog Archive » Arduino-controlled IKEA Lamp
The above schematic is 8x8 Led Dot Matrix clock using PIC16F627A (or PIC16F628 which is more expensive but larger memory) and a shift register 74HC595.
Schematic of 8x8 Led Dot Matrix Clock using PIC16F627A | PIC Microcontroller Note
LEDs, 555s, PWM, Flashers, and Light Chasers Index - All About Circuits Forum
LEDs, 555s, PWM, Flashers, and Light Chasers by Bill Marsden, courtesy of http://forum.allaboutcircuits.com/ I'm moving this article to blog format to allow me greater flexability in editing.
This year, for the first time, the efficiency of LEDs has overtaken that of fluorescent tubes.
Power LED driver module (PLDM) - ELEKTOR.com | Electronics: Microcontrollers Embedded Audio Digital Analogue Test Measurement
LED Dimmer Circuit - Lighting
Find out how to put together a simple but efficient PWM dimmer circuit for LEDs