Search found 226 matches

by Shane
Mon Jan 06, 2014 4:18 pm
Forum: Electronics & Electrical Engineering
Topic: 12V Solar Charger Circuit Diagram
Replies: 10
Views: 20978

Re: 12V Solar Charger Circuit Diagram

There are some advanced circuits but still this works fine for me.
by Shane
Sat Sep 22, 2012 3:17 pm
Forum: Microcontrollers
Topic: Make LED matrix array using a single microcontroller
Replies: 5
Views: 7447

Re: Make LED matrix array using a single microcontroller

Think about it as this. You TV refreshes the display 25 times per second. With two fields, it is like 50 fields per second. With a microcontroller, How fast you think you can refresh these LED displays ? That's how this scanning method work. Though it can be logically thought as drawing to one displ...
by Shane
Fri Jul 13, 2012 10:03 pm
Forum: Microcontrollers
Topic: Make LED matrix array using a single microcontroller
Replies: 5
Views: 7447

Make LED matrix array using a single microcontroller

Circuit diagram for a moving LED matrix display.
text_scroller.jpg
text_scroller.jpg (143.41 KiB) Viewed 7436 times
by Shane
Fri Apr 13, 2012 12:05 am
Forum: Microcontrollers
Topic: Ateml AVR GPIO operations quick guide
Replies: 0
Views: 2198

Ateml AVR GPIO operations quick guide

All port B pins as output (Direction register) DDRB = 0xff; All port pins set to 1 (ON) PORTB = 0xff; Set port D pin 2 as output DDRB |= 1 << DDB2; Set port D pin 2 as input DDRB &= ~(1 << DDB2); Set port B pin 2 to 1 (ON) PORTB |= _BV(PB2); OR PORTB |= 1 << 2; OR PORTB |= 1 << PINB2; Set port B pin...
by Shane
Thu Apr 12, 2012 11:53 pm
Forum: Microcontrollers
Topic: Atmel AVR ADC sample code
Replies: 0
Views: 3408

Atmel AVR ADC sample code

An ADC, or Analog to Digital Converter, allows one to convert an analog voltage to a digital value that can be used by a microcontroller. There are many sources of analog signals that one might like to measure. There are analog sensors available that measure temperature, light intensity, distance, p...
by Shane
Thu Feb 09, 2012 4:22 am
Forum: Linux
Topic: Programming AVR on linux
Replies: 0
Views: 2145

Programming AVR on linux

[media]http://www.youtube.com/watch?v=Hk4PVWOfSmg[/media]
by Shane
Thu Feb 09, 2012 3:14 am
Forum: Arduino
Topic: Taos TSL230R light sensor C tutorial
Replies: 3
Views: 35177

TSL230R: Photographic Conversions

In the previous post on using the Taos TSL230R with the Arduino, I covered the basic operations of the chip, and some essential conversions for going from radiometric to photometric representation of its data. In this post, we’ll expand on that knowledge to calculate exposure times and apertures usi...
by Shane
Thu Feb 09, 2012 2:55 am
Forum: Arduino
Topic: Taos TSL230R light sensor C tutorial
Replies: 3
Views: 35177

Taos TSL230R light sensor C tutorial

The TSL230R light sensor IC is an interesting package: a light sensing circuit wrapped up in a clear plastic casing. This neat little device will convert irradiance (the light energy on the surface of the sensor) into frequency. Working with a simple input concept like a frequency means that we won’...
by Shane
Sun Jan 29, 2012 7:01 am
Forum: Electronics & Electrical Engineering
Topic: Kicad video Tutorial
Replies: 1
Views: 2881

Kicad video Tutorial

[media]http://www.youtube.com/watch?v=rkQ0nVX1q1k[/media]

[media]http://www.youtube.com/watch?v=8HNMihqa844[/media]
by Shane
Sun Jan 29, 2012 3:12 am
Forum: Electronics & Electrical Engineering
Topic: Eagle PCB Video Tutorial
Replies: 0
Views: 2246

Eagle PCB Video Tutorial

[media]http://www.youtube.com/watch?v=3YmhdlYJkw0[/media]

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