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Digital Readout Circuits

ÁP Displays 10 Bit Data on Three Leds: 11/07/96  EDN-Design Ideas    

7 Segment LED Counter:

72 LED Clock:

 

9 Second Digital Readout Timer:

Car Message Display:

Circuit Thermally Compensates LCD Contrast Bias: 03/16/95 EDN-Design Ideas 

Easily Display Bit Map Images on Small graphic LCDs: 11/19/98 EDN-Design Ideas 

Interfacing 16x2 Character LCD to Parallel Port:

LCD Interface Saves ÁC I / O Pins: 12/12/97 EDN-Design Ideas 

LED Sign: uses two LED arrays to form a 7 X 10 matrix. It produces moving messages or animations stored in an EPROM. 

PIC 5x7 Display:

Picxie 2 8x8 Animated LED Signboard:

Simple LCD Interface Takes Two Wires: 03/26/98 EDN-Design Ideas 

Switch Configures Bare Bones, 2 Digit Display: 12/21/95 EDN-Design Ideas 

TeleTEXT Devices:

Time / Date / Message Video Overlay Generator!: video text overlay circuit  

VCG01 PAL / NTSC Video Clock / Message Generator: Video text overlay circuit





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