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Digital Readout Circuits, Page 3
Digital Readouts:  #'s - C     D - L     M - Z

Last Updated on:
Friday, March 12, 2010 12:07 PM

 

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Message Wand - The message wand is a good PIC introduction as it is a simple project yet illustrates many aspects of the PIC usage. Used at night, the wand is swung around above the head, and to onlookers spells out a short message in the air using flashing LEDs. It could also be used with a handle and spun round like a traditional soccer rattle (can you still get those?) though great care must be taken if you do this....(circuit added 04/04/04)

Microcontroller displays multiple chart or oscilloscope timing ticks - (Design Ideas - EDN, 5/1/2008  A crystal controlled microcontroller generates precise timing ticks. (electronic design idea added 9/2008)

Microcontroller drives LCD with just one wire - (Design Ideas - EDN, 12/3/2007  A Microchip PIC10F family microcontroller sparks an HD44780 LCD using a single I/O pin. (electronic design idea added 9/2008)

Microcontroller moving-dot display interface uses three I/O lines - (Design Ideas - EDN, 5/1/2008  A moving-dot LED-display interface to a microcontroller uses only three output pins. (electronic design idea added 06/07/08)

Novel Process for Vacuum Fluorescent   VF Display Drivers - National Semiconductor Application Note   (app note added 2/06)

PIC 5x7 Display - (electronic circuit added 7/03)

PIC Vacuum Fluorescent Display Interface - (electronic circuit added 4/05)

PIC16F84 LED Signboard (Seiichi Inoue) - (electronic circuit added 4/05)

PIC16F84 LED Signboard 2 - (electronic circuit added 4/05)

Picxie 2 - 8x8 Animated LED Signboard - The firmware supplied in  current sourcecode archive is VERY BASIC. I do intend to draw more patterns. However, a vast workload coupled with possible emigration has put  finished firmware on hold. Please do go ahead and build this circuit though  supplied firmware is fully functional. You can have hours of fun designing your own patterns and effects!  Uses  PIC16F84 (electronic circuit added 7/03)

POST repeater reads out remotely - 12/08/94 EDN Design Ideas /  (added 2/06) 

Radiated Emissions and CRT Displays - National Semiconductor Application Note   (app note added 2/06)

Reconstruction Filter Selection for HDTV and VGA/Application / ABR-42015 - Fairchild Application Notes / (app note added 6/06)

RSDS™ Flat Panel Display Design Guidelines Part 2 - National Semiconductor Application Note   (app note added 2/06)

Simple LCD Interface Takes Two Wires - 03/26/98 EDN-Design Ideas / (added 03/03/03)  

Song Number Display - (electronic Circuit / Schematic added 10/04)

Speller Effect Sign Display - (electronic Circuit / Schematic added 10/04)

Switch Configures Bare Bones 2 Digit Display - 12/21/95 EDN-Design Ideas / (added 3/03)

Teletext Devices - (circuit added 7/02)

Theory and Application of the ML4874 and ML4876 LCD Backlight Controller ICs / AN-42010 - Fairchild Application Notes / (app note added 6/06)

Ultralow-cost, two-digit counter features few components - 8/17/06  EDN Design Ideas  /  (added 10/06)  Two seven-segment displays and one microprocessor count from zero to 99.
 

 

Digital Readouts:  #'s - C     D - L     M - Z
 

 
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