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Display Electronic Circuits or Electronic Schematics
Display Circuits:  #'s - C       D - I       J - N       O - T       U - Z

Last Updated:  10/24/2017 02:54:44 PM


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

Scanning 7-Segment & KeypA - D -  Since the output buffer ofP1 can sink 20mA  (each output pin, but maximum IOL for all outputs was limited at 80mA) , thus we can use P1 to drive LED display directly.  As shown in the circuit, Two common-anode 7-segment LEDs are connected to P1 with 180 Ohms current limiting resistor.  Each segment of two LED __ Designed by Wichit Sirichote

Scheme provides high-side current-sensing for white-LED drivers -  19-Feb-04 EDN-Design Ideas White LEDs find wide use in backlighting color-LCD screens in most portable devices, such as cellular phones, PDAs, and MP3 players.  Multiple LEDs often connect in series to ensure that the same current flows through every LED.  To forward-bias these LEDs, a voltage of 10 to 16V comes from an inductor-based boost regulator, such as an SP6690 __ Circuit Design by Dimitry Goder, Sipex Corp, San Jose, CA

Scope Text -  Scope Text is a small circuit based on the ATTiny2313 microprocessor, which can be used to display text on a CRT oscilloscope.  The text is shown on the screen as a scrolling message displaymust register on this site __ Designed by Published in Elecktor July/Aug, 2010

Sensor Electronic Tracker with H-Bridge Drive -  I decided to make a commercial surface mount PC board using the LED2 sensor concept.  It is quite sensitive and can track to a few degrees of accuracy in bright sunlight.  If a blocking shadowis used the accuracy is better than 1/4 degree, that's about as good as you can get with an active feedback sensor.  The board is a tiny.7"x1.4" __ Contact: Duane C. Johnson

Serial Interface & bias supply for Seiko-Epson G1206B dot Graphics display -  A serial interface and bias supply for the Seiko-Epson G1216N000 using an AT90S2313 because there just aren't enough applications examples for this display on the web.   __ Designed by Dick Cappels

Serial Interface for Truly MTC-C162DPLY-2N, 2 line X 16 char LCD display -  A serial interface and bias supply for the Seiko-Epson G1216N000 using an AT90S2313 because there just aren't enough applications examples for this display on the web.   __ Designed by Dick Cappels

Serial LCD Controller -  Serial LCD/VFD Controller is a HD44870 based LCD/VFD controller via RS-232.  The control command is compatible with Matrix-Orbital's LCD module.  So, you can use any MO friendly software to control this baby such as LCDC.  

Serial LCD for microControllers using only 3 pins -  Connect an LCD to your microcontroller to make it easy to develop and debug your application.  You can choose which PIC I/O pins you want to use for the interface, and any HD44780 compatible LCD can be controlled.   __ Designed by Peter Jakab

Serial LCD Module -  In most electronic systems, it is necessary to provide information in the visual form for a convenient user interface.  The most commonly used displays in electronic systems are LED, LCD and...__ Electronics Projects for You

Series Connected Voltage Boost for a Battery Operated LED Lantern -  A circuit that goes in series with a white LED and a 1.5 volt cell to make > 3 Volts to drive a white LED __ Designed by Dick Cappels

Servo Pulse to PWM -  converter connects an H-Bridge to radio control receivers or robotic circuits __ Designed by Bob Blick

Seven-Segment LCD Uses Two-Wire Interface -  09/04/03 EDN-Design Ideas You can connect seven-segment LCDs using only a two-wire interface    (Figure 1) .  The two-wire interface may be at the field-effect, direct-drive LCD or at a serial interface    (such as I2C) that uses an eight-pin microcontroller.  The design in Figure 1 uses an Atmel    (www.  atmel.  com) ATtiny12 microcontroller, IC1.  VCC can range from 2.7 to 5.5V.  Each digit receives drive from an 8-bit 74HC164 shift register, which provIdeas seven outputs for each of the segments and one output for a decimal point or a colon __ Circuit Design by Hans Krobath

Shift Indicator & Rev Limiters for Cars -  If you drive your car for optimum performance, you will want this Shift Light Indicator to indicate just when to change gears.  As a bonus, it incorporates a Rev Limiter which throttles back the fuel injectors.__ SiliconChip

Signal Processor Adds LED Display -  6-Jun-96 EDN-Design Ideas Designers using the Texas Instruments TSS400, a versatile 4-bit sensor-signal processor, may find the circuit in Figure 1 useful as a replacement for, or an adjunct to, the IC's built-in display capabilities __ Circuit Design by N Thomas Christman, Zablocki VA Hospital, Milwaukee, WI

Signboard -  On this page, I will introduce the electronic signboard with PIC16F84A.  The message is displayed to flow on the left from the right.128 LEDs are used for this board __ Designed by Seiichi Inoue

Signboard 2 -  Iwill introduce the making of the electronic signboard which used PIC16F84A on thses pages.112 LEDs  (7 x 16) are used for the display of the message.50 LEDs are used as the design of the edge.  Latch registers by CPLD are used for the display of the LEDs.   __ Designed by Seiichi Inoue

Simple Circuit active-matrix-LCD bias supply operates from battery input -  02/03/00 EDN-Design Ideas Many active-matrix-LCD applications need multiple voltages for thin-film-transistor    (TFT]bias.  Typically, three voltages are necessary5V forcolumn driver; a positive voltage, such as 10V; and a negative voltage, such -5V, for  __ Circuit Design by Michael Shrivathson, National Semiconductor Corp, Santa Clara, CA

Simple Circuit LCD interface takes two wires -  EDN-Design Ideas March 26, 1998    [ NOTE : File has multiple design, scroll for this one.]  Alphanumeric LCD modules can provide an attractive display for a project, but their parallel I/O lines require a large number of outputs from a µC. For example, a direct LCD interface would consume all of the I/O pins of a small µC, such as the eight-pin PIC12C508 from Microchip Technology  (Chandler, AZ) . __ Circuit Design by Ed Maste, Jem Designs, Pickering, ON, Canad

Simple Circuit Tester Check LCDs -  10/03/02 EDN-Design Ideas RF oscillator uses current-feedback op ampManufacturers of electronic equipment use LCDs for calculators, watches, mini-videogames, and pagers, for example.  In comparison with LED-based displays, which consume power on the order of tens of milliwatts, an LCD consumes only a few microwatts.    __ Circuit Design by D Prabakaran, NL Polytechnic College, Tamil Nadu, India

Simple, Low-Cost, 1-Kv Driver -  05/13/04  EDN-Design Ideas High-voltage drivers have recently received much attention, because they play an important role in driving piezoelectric and electro-optical components, for example.  Figure 1 shows a simple, low-cost, 1-kV driver.  The circuit uses  __ Circuit Design by Tai-Shan Liao and Prasit Champa, National Science Council, Hsinchu, Taiwan

Single Cell TPS61041 LED Driver -  Texas Instruments provides a broad portfolio of high-performance products for your LED design needs.  From RF and power management  (including AC/DC, Power Factor Correction, DC/DC and linear power conversion) to DSPs and ultra-low-power MCUs, TI has products to differentiate your design.  And, TI's local support and applications expertise can help you get to market faster.   __ Designed by Texas Instruments App Notes, 9-Jun-03

Single Digit Scoreboard -  a compact general purpose display __ Contact: P. Townshend EduTek Ltd

Single IC Biases LCD & GaAsFET Amplifier -  04/09/98 EDN-Design Ideas -  (File ,contains several circuits, scroll to this one) Operating from a lithium-ion cell or a four-cell NiCd battery, the circuit in Figure 1  provIdeas 6V bias for LCDs and a separate, quiet negative bias for a GaAsFET power amplifier.  This bias combination exists in cell phones __ Circuit Design by John Wettroth, Maxim Integrated Products, Apex, NC

Single Supply Video Line Driver (AC Coupled) -  When AC-coupling video, the waveform Dynamics change with respect to the bias point of the amplifi er according to the scene brightness of the video stream.  In the worst case, 1VP-P video  (composite or Luminance + Sync in Y/C or YPBPR format) can exhibit a varying DC content of 0.56V, with the dynamic requirement being __ Linear Technology/Analog Devices App Note, Mar 25th 2010

Small mezzanine-board format offers More I/O -  04/01/99 EDN-Design Ideas NOTE :  File contains many designs.   Scroll to this one.   You can now get both modules and carrier boards for the PC-MIP mezzanine format.  MEN and SBS-Greenspring (now called SBS Technologies] developed the format as a smaller alternative to PMC modules and lets you put six PCI-based modules on any CompactPCI, PCI, or VME motherboards.  Motorola sponsors the format, and about 20 companies now support it.  PC-MIP uses an unaltered PCI bus Page includes several designs __ Circuit Design by Graham Prophet

Smart Mixture Display for Your Car -  A 10-LED display indicates the fuel mixture, while a small buzzer sounds if the mixtures go dangerously lean.__ SiliconChip

Song Number Display -  Here’s a circuit to display the song number in an audio system for quick reference to songs.  It also serves the purpose of an extra visual indicator in modern audio systems.When...__ Electronics Projects for You

SPI Interface Big 7-Seg LED -  Big display for general purpose usage, the interfacing is SPI serial interface, requires only 3-wires.  Multiple digit can easily be made.  DXF files single side PCB.   __ Designed by Wichit Sirichote

Super-Simple Circuit Coax to Twisted-PaIR Adapter -  Launching a baseband camera signal into twisted pair is a relatively simple matter of building a differential driver such as shown in this circuit.  In this realization one LT6652 is used to create a gain of +1 and another is used to make a gain of –1.  Each output is series terminated in half the line impedance to provide__ Linear Technology/Analog Devices App Note, Mar 25th 2010

S-Video Splitter (AC Coupled) -  This figure shows an LT6551 quad amplifier driving two sets of S-video  (Y/C format) output cables from a single Y/C source.  Internal gain-setting resistors within the LT6551 reduce part-count.  __ Linear Technology/Analog Devices App Note, Mar 25th 2010

Switch Configures Bare-Bones, Two-Digit Display -  12/21/95 EDN-Design Ideas A project that includes a stage with three selectable gains  (0.1, 1.0, and 10) requires that the rotary-gain switch also function to illuminate one of three LEDs.  These panel-mounted LEDs serve to indicate the gain in use.  This arrangement requires two switch sections—one for selecting the op amp’s gain-set resistor and one to light the corresponding indicator LED.  The circuit in Figure 1 requires only one more switch section to provide a true, two-digit, seven-section numeric LED display.  The circuit needs no active driver-decoder circuitry __ Circuit Design by Joe Wonoski, Yale University Medical School New Haven, CT

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Display Circuits:  #'s - C       D - I       J - N       O - T       U - Z

 


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