Tag Archives: display

4 Digit MultiPlexed 0.33 Inch 7 Segment Common Anode Display

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7 Seven segment multi-plexed display is tiny board that has been designed around Common Anode 4 digit Display, Display has 12 Pins. The board is provided with current limiting resistors on all LED segments and 4 PNP Transistors to drive 4 digits, the project is ideal for easy micro-controller interface with 13 pin Header connector. The Board supports 3.3V as well 5V TTL interface.

4 Digit MultiPlexed 0.33 Inch 7 Segment Common Anode Display – [Link]

Arduino Tutorial: Color OLED SSD1331 display with Arduino Uno

In this video educ8s.tv shows us how to use the Color OLED display with the SSD1331 driver with Arduino. It’s very easy!

A few weeks ago, I discovered this promising new display on Banggood.com and I thought that it might be useful in some of our projects so I bought it right away. It is a Color OLED display! I have used this small monochrome OLED display in some of my previous projects and I love it. So, I couldn’t resist having a color OLED display. I have loaded a demo sketch and as you can see the display is fast and bright. It is brighter than LCD displays because it uses the OLED technology and of course it uses less power. The power usage will vary with how many pixels are lit, the maximum is around 25mA. The cost of this color OLED display is around $11.

Arduino Tutorial: Color OLED SSD1331 display with Arduino Uno – [Link]

Tiny Lisp Computer using ATmega328

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The Tiny Lisp Computer is a self-contained computer programmed in Lisp. Some programming examples are included in the author’s website.

This article describes a self-contained computer with its own display and keyboard, based on an ATmega328, that you can program in Lisp. You can use it to run programs that interface to components such as LEDs and push-buttons via the I/O pins, read the analogue inputs, and operate external devices via the I2C and SPI interfaces. It has a small monochrome OLED display that gives 8 lines of 21 characters per line, and a miniature PS/2 keyboard

Tiny Lisp Computer using ATmega328 – [Link]

7 Segment LED Based SPI Display using 74HC595

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Single Digit Big Display module using 74HC595 IC project will display large size 7 segment single digit number. 3.5inch height, which can be visible over large distance.  More digit can be connected serially to each other easily connector.

This circuit is a single digit seven segment big display using a set of 5 LEDs per segment and a shift register for easy control by micro-controller input. Each of the LEDs used in this project are 5mm high glow type.

Specifications

  • A ULN2003 IC helps sink higher current flowing through the LEDs to ground.
  • Resistor R1 to R8 are current limiting Resistors for the LEDs connected in series.
  • CN1 Connector is Data In connector
  • CN2 Connector is optional Data Out Connector if you need to stack more than 1 single display board in series
  • +V CN1 & CN2 should be connected to higher voltage to drive the LEDs
  • VCC Should be connected to 5V DC. This supply can be source from host controller
  • Each Segment made up of 5LEDs

7 Segment LED Based SPI Display using 74HC595 – [Link]

4 digit charlieplexed segment display

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bobricius @ hackaday.io has designed an ultra thin custom display, requiring only 6 gpio pins to drive 30 leds.

FEATURES:
– 1.05×0.48 inches (26.67×12.22 mm)
– 30 led
– any color
– ultra thin …. etc. on 0.8mm board
– only 6 gpio
– ideal for wrist watch

4 digit charlieplexed segment display – [Link]

An Atmega library for multiple HD44780 LCDs

LCD_PCF8574_I2C_multiple_library

Davide Gironi has posted an I2C multiple HD44780 AVR Atmega library:

This library implements a driver for HD44780 lcd connected through PCF8574 port expander.
Data is transmitted using only 2 wire over i2c with the PCF8574.
This library can drive up to 8 LCD concurrently.
Lcd driver is based upon Peter Fleury’s lcd driver
HD44780 to i2c library its based upon this library

An Atmega library for multiple HD44780 LCDs – [Link]

Make Your Own Smartwatch From An Old Cell Phone

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Have an old cell phone laying around? Don’t know what to do with it? What if I told you that you could turn that old cell phone into a smartwatch!

What I’d like to do for this crazy/ambitions project is turn an old cell phone into a smartwatch. So obviously an old cell phone is required. The primary reason for this project is simply that I had an old cell phone laying around and wanted to find a creative way to repurpose it. The one I had is a Nokia 1100, but most other old cell phones would work, so long as you can find the schematics for the LCD online

Make Your Own Smartwatch From An Old Cell Phone – [Link]

RELATED POSTS

Arduino-compatible touch-enabled display shield from FTDI

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CleO is a simple to program, intelligent TFT display solution that allows the construction of human machine interfaces (HMIs) with – says maker FTDI chip – much higher performance than conventional Arduino display shields are able to deliver. by Graham Prophet [via]

FTDI first introduced its Arduino-compatible concept – aiming to reach a wider audience – by means of a crowdfunding exercise. The company now has full availability of the CleO product (and accompanying accessories) through its distribution partners, as well as directly via the company’s website. FTDI Chip will also give engineers complete access to a comprehensive development resource, which has step-by-step tutorials and projects, plus a series of software tools. In addition, a new forum has been set up ( www.CleOstuff.com) on which design tips, application ideas and other information can be shared.

Grandaddy OLED Watch

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ZeroBeatPro shared this project on Thingiverse

Take a stroll with Grandaddy OLED the watch and light up the night. Use any of your favorite watchbands to easy connect to the OLED Watch case.

Grandaddy OLED Watch – [Link]

RELATED POSTS

How to Scroll a single LCD line – Arduino

R Jordan Kreindler show us how to scroll a single line on a LCD display.

The Liquid Crystal Library has two quite useful functions scrollDisplayLeft() and scrollDisplayRight(). These functions scroll the whole display. That is, they scroll both lines on a 1602 LCD and all four lines on a 2004 LCD. What we often need is the ability to scroll a single line on these displays rather than the whole display. Also, we often want to scroll an entire line off the screen rather than just by one position, as the functions in the Liquid Crystal Library offer. This Instructable provides functions to do just that, and so should be thought of as an addition to the scrollDisplayLeft() and scrollDisplayRight() functions in the Liquid Crystal Library.

How to Scroll a single LCD line – Arduino – [Link]