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Digital Readout Circuits, Page 2
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:

Digital Call Sign Annunciator - (electronic circuit added 4/05)

Display Bit Map Images on Small Graphic LCDs - 11/19/98 EDN-Design Ideas / (added 3/03)  

Dot/Bar Display Driver - The LM3915 is a monolithic integrated circuit that senses analog voltage levels and drives ten LEDs, LCDs or vacuum fluorescent displays, providing a logarithmic (added 07/07/07)

Dual Digital Thermometer - This application shows how to use the PIC16F877 to control, and interface with the Dallas DS1820 1-Wire™ Digital Thermometer.  If you missed the LCD connection schematic for these experiments, …(added 11/05)

Easily Display Bit Map Images on Small Graphic LCDs - 11/19/98 EDN-Design Ideas / (added 3/03)  

Ericsson Cell Phone Display GA628 - You used to have an Ericsson Cell Phone GA628 and you also loved it very much, however after few years of using, you’ve decided to change a brand new cell phone and you just threw it inside the drawer and never touch or look on it after that?….(added 04/06)

Interfacing 16x2 Character - LCD to parallel port / (added 7/02)

LCD Clock/Calendar - LCD Display with Date and Time, 12hr format. (circuit added 12/04)

LCD Display - (application / block diagram added 6/07)

LCD Display with Minimum Mass Wireless Coupler - Its an adaption of the 2X 16 LCD project, by adding a fettite loop antenna, two resistors, and a capacitor. Here the display shows the output of the 10 bit scanning voltmeter with Minimum Mass Wireless Coupler.  (ATtiny2313, AT90S2313)….(schematic added 6/07)

LCD Interface Saves µC I/O Pins - 12/12/97 EDN-Design Ideas / (added 3/03)  

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

LCD Monitor Applications / AB-50  - Fairchild Application Notes / (app note added 6/06)

LCD Monitor Applications / AB-51 - Fairchild Application Notes / (app note added 6/06)

LED Clock (Jose Pino) - 12Hr LED clock using 16F628. Also, schematic to build a Jumbo clock is included. (design added 6/04)

LED Clock with Timer & Solar Panel Regulator - This is a combination digital clock timer and solar panel charge controller used to maintain a deep cycle battery from a solar panel. The timer output is used to control a 12 volt load for a 32 minute time interval each day. Start time is set using 9 dip switches and ends 32 minutes later. The 32 minute duration is set by selecting the 5th bit (2^5 = 32) of a 4040 binary counter (pin 2). The timer also has a manual toggle switch so the load can be manually switched on or off and automatically shuts off after 32 minutes....(electronic circuit added 10/05)

LED Relay Timer - This circuit provides a visual 9 second delay using a 7 segment digital readout LED. When the switch is closed, the CD4010 up/down counter is preset to 9 and the 555 timer is disabLED with the output held high. When the switch is opened,....(circuit / schematic design added 6/06)

LED Sign - uses two LED arrays to form a 7 X 10 matrix. It produces moving messages or animations stored in an EPROM. (added 7/03)

LED-Based Message Display - (electronic Circuit / Schematic added 10/04)

LVDS Display Interface - National Semiconductor Application Note   (app note added 2/06)


 

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

 
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