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Archive for the ‘LCD’ Category

1mm pitch flex cable passthrough

Tuesday, February 24th, 2015

Kuzyatech has a new project posted, a Flex (FPC) 1mm cable passthrough breakout: By popular demand, the breakout/passthrough combination boards family now includes a 1mm pitch variant This version handles up to 30 signals which seems to be a practical limit of most 1mm FPC connectors. Each signal is numbered and...

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Posted in dev boards, LCD | 1 Comment »

5″ capacitive touch panel with GSL1680 up’n running with Arduino

Tuesday, February 17th, 2015

Helge of WeatherStation writes: After some help from wolfmanjm and CosR1, I managed to get a separate Buydisplay based GSL1680 touch panel up’n running on an Arduino Mega (1280) with only minor modifications to wolfmanjms code. The firmware is an integrated part of the sketch. Instead of using ram, it...

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Posted in Arduino, LCD | No Comments »

Getting started with an I2C LCD using a Bus Pirate

Friday, December 26th, 2014

Inderpreet over at Embedded Code writes: I got one of these (The LCD!) LCDs from the budget and the motive is to use them to display air quality. Low and behold I got them and these things are tiny… I mean more than I thought. BUT they should get the...

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Posted in Bus Pirate, LCD | No Comments »

Bus Pirate V4 LCD adapter

Friday, November 28th, 2014

Dave of V-Tech Design wrote an article on how to modify a Bus Pirate LCD adapter for the Bus Pirate V4: Why do this? At the time of this writing Dangerous Prototypes had not developed a new LCD adapter for the Bus Pirate V4 and I needed one for a project. So why...

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Posted in BP v4, LCD | No Comments »

Getting character LCDs to work at 3 volts

Friday, September 19th, 2014

Peter Jakab has written a new article on how to adapt character LCD modules for 3 volt operation. Generic character LCD modules contain an industry standard HD44780 compatible controller, which can operate down at 3 volts. But the modules are usually specified to work only at 5 volts, unless you...

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Posted in how-to, LCD | 12 Comments »

Arduino ultrasonic range finder, with I²C lcd display

Tuesday, September 9th, 2014

An Arduino rangefinder with an ultrasonic sensor and an I²C interface display by Jan Henrik. He wrote an instructables here: The maximum rated range is 500 cm, the range is measured 20 times per seccond. It is Displayed on a lcd screen which is 20x4 chars big, it has a custom...

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Posted in Arduino, DIY, LCD | 1 Comment »

HP 8642B backlight Mod

Thursday, September 4th, 2014

Kerry Wong writes:  If you take a look at the picture below, you may recognize immediately that it is a picture of an HP 8642B synthesized signal generator. But if you take a closer look, you probably will notice something different if you have ever used an HP 8642B before....

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Posted in gadget, LCD | 2 Comments »

Vinctronics LCD Shield V1.0

Tuesday, August 19th, 2014

Vincent of Vinctronics writes: This is Vinctronics first ever product - LCD Shield V1.0. Basically, this is a simple shield that provides four important functions: 1. A 2 line by 16 character plug-in ASCII LCD. 2. An active beeper. 3. A DS1307 RTC clock IC with 3V coin cell battery to...

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Posted in LCD | No Comments »

What’s up with HD44780 LCD displays?

Monday, July 14th, 2014

Nerd Ralph writes: There's lots of projects and code online for using character LCD displays based on these controllers, particularly the ones with 2 rows of 16 characters (1602).  They're low power (~1mA @5V), and for only $2 each, they're the cheapest LCD modules I've found.  The controllers are over...

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Posted in LCD | 10 Comments »

Mini LCD adapter Backpack

Wednesday, June 25th, 2014

Arthur Guy made this mini LCD backpack for the smaller display screens: This is an LCD backpack but it is for the smaller displays with the double row of pins rather than the single line. I made this adapter as I was working with some small displays and needed a simple...

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Posted in LCD | No Comments »

K8LH 2-Pin 74HC595 LCD “8-bit” Backpack

Thursday, June 12th, 2014

McLaren writes, " here's another 74HC595 Backpack design with a 2-pin interface that uses LCD 8-Bit interface mode. Driver is pretty simple. It takes about 100-usecs to send each byte. Please check it out" Via the forum.

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Posted in LCD | No Comments »

MCU controlled spot welder

Monday, February 24th, 2014

Hercules Trapierakis over at Electronics-Lab writes: "This project is a controller for a dual pulse spot welder that has some nice features that are controlled using a LCD interface." I always wanted a spot welder, so I decided to built one. I wanted to build a capacitance discharge one but I...

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Posted in LCD, power supply | No Comments »

Arduino LCD Smartie OLED project

Friday, December 27th, 2013

Rupert Hirst writes, "I decided it was time to build my own version with the features that should have been in the official hardware": LCD Smartie is open-source (cough!) software which allows a character LCD display to be used as an auxiliary display device for a PC. The program has...

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Posted in Arduino, LCD | No Comments »

USB and serial enabled LCD backpack back in stock

Tuesday, December 24th, 2013

USB and serial enabled LCD backpack is back in stock at Seeed Studio. This board connects HD44780-compatible character LCD screens to your USB port. It works with apps like LCD Smartie to show news, system stats, and more on an external LCD. Get USB and serial enabled LCD backpack for...

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Posted in LCD, News | No Comments »

USB and serial enabled LCD backpack back in stock

Monday, December 16th, 2013

USB and serial enabled LCD backpack is back in stock at Seeed Studio. This board connects HD44780-compatible character LCD screens to your USB port. It works with apps like LCD Smartie to show news, system stats, and more on an external LCD. Get USB and serial enabled LCD backpack for...

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Posted in LCD, News | No Comments »

DIY custom LCD

Thursday, December 5th, 2013

[embed]http://www.youtube.com/watch?v=_zoeeR3geTA[/embed] This video by  Ben Krasnow  discusses how to make your own custom LCD.

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Posted in DIY, LCD | 6 Comments »

DIY R-Pi based haunted mansion portrait

Wednesday, October 30th, 2013

Brandon Etto designed this changing portrait Halloween prop. The hardware consists of a Raspberry Pi (Model B) and a 19″ widescreen LCD Monitor. Construction details and code links can be found on MAKE.

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Posted in Holiday, LCD, R-Pi | 1 Comment »

Hacking OTP/eTokens

Tuesday, October 15th, 2013

Dmitry had a OTP/eToken in his gadget collection which he no longer needed. He decided to crack open the device to see what was inside and shares his findings in this blog post. He found a Microchip PIC16F913 and ICSP connect points, which allowed him to reprogram the device into...

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Posted in code, hacks, LCD | 1 Comment »

New STM32F4 discovery board features TFT LCD

Saturday, September 14th, 2013

Tinito informs us that a new STM32F4 discovery board has been announced, featuring a 2.4" QVGA TFT LCD (apparently without touch sensor), 64Mbit of SDRAM, a Gyro and all pins available through pin headers. The data brief is available for download and the board lists for $24USD. Via the contact...

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Posted in dev boards, LCD | 49 Comments »

Microprocessor controlled 16 line connectivity tester

Thursday, August 29th, 2013

An ATmega32 based Proteus simulation of 16 line connectivity tester by Dilshan Jayakody: The main functionality of this system is to detect open and short circuits in cables and connectors. This system can test maximum of 16 lines in each test cycle and it indicate the defective line(s) through LCD. This...

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Posted in LCD, testing | No Comments »

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Recent Comments

  • Paul Campbell: I'm old enough that I started programming with punched cards .... each card had a sequence number in the last few characters. A friend once...
  • Ian: test comment on /blog/ page
  • ian: No, that's exactly how it should be :) Sorry about missing names on comments, the theme is being reworked as we speak.
  • J. Peterson: Nice writeup. It looks like some of the formatting for your command examples needs some missing newlines?
  • Geert Jordaens: I'm not sure what kind of licensing I have to add since it is a fairly straight forward implementation of the adaptive Huffman Decoding. For...