Posts Tagged ‘LCD’

USB LCD Backpack PIC18F24J50 free PCB build

Monday, September 16th, 2013

TasksOfOhm built a free USB LCD backpack PCB.  This board controls LCDs with up to 16 interface pins at 3.3 volts or 5.0 volts. This includes common HD44780 character LCDs and larger graphical LCDs. Got it working. It wasn’t an electrical problem but a software one. I used the software from another built that...

Tags: ,
Posted in builds | 1 Comment »

PIC32mx based drum machine running in jam mode

Friday, August 30th, 2013

Matt posted an update on his drum machine with a new 32bit PIC and a new larger LCD we covered previously: My initial prototype was based on a fairly common PIC available in DIP format, the PIC24FJ64GA102 which has 64kb of flash and 8kb of RAM.  As I started to build up the...

Tags: ,
Posted in PIC | 1 Comment »

PIC based wristwatch project

Monday, August 26th, 2013

exapod shared his PIC based wirst watch project in the forum: i'm building a PIC based wrist watch with a sharp memory lcd as the screen. it has an accelerometer, 4 push button,rgb led for the backlight, a micro usb connector for charging the lipo and a an 18 bit adc...

Tags: , ,
Posted in DIY, PIC | 2 Comments »

COLDES1 (COLlaborative DESign) – LCD 2 TV Out

Thursday, July 25th, 2013

Mats writes: Most of the PAWs are rather simple but I'd like to to some more involved/advanced projects every now and then.  So I would like to propose a new series of projects - the COLDES - Collaborative Design. Where we are a few that uses our shared time and...

Tags: , ,
Posted in project logs | No Comments »

Westinghouse L2410NM LCD power supply repair

Monday, May 6th, 2013

Kerry Wong fixed his LCD monitor (Westinghouse L2410NM).  He documented the whole process on his blog. My seven year old 24 inch LCD monitor (Westinghouse L2410NM) started to flicker recently, so I decided to take a look inside to see what was wrong. Even before I opened it up, I had...

Tags: ,
Posted in LCD, power supply | No Comments »

Interfacing 8 2×16 LCD displays with only two wires

Wednesday, March 20th, 2013

Jechavarria wrote a post on his blog detailing how to interface 8 LCD displays and 24 leds with only two wires: A couple of weeks ago, I just post a review of my MCP23017 breakout board. As the board configuration allows to connect up to 8 of these boards, I...

Tags: ,
Posted in LCD | No Comments »

MCP23017 I2C IO expander breakout board

Wednesday, March 6th, 2013

Jechavarria has designed this breakout board with the MCP23017 I2C IO expander: With this board you can drive a 2x16 display LCD with only two signals (I2C). I also develop some code (in C) to manage this device, based on a AT89C51RE2 microcontroller. Please feel free to visit for...

Tags: ,
Posted in project logs | 3 Comments »

Emulating an LCD controller with a Papailio

Wednesday, January 23rd, 2013

Alex received a monochrome 256x128 LCD with a missing controller chip. The board features 8 Hitachi LCD drivers, but without the controller you have to drive the display by constantly sending data to refresh the picture. After some research he stumbled onto the Hitachi LCD controller driver LSI data book,...

Tags: ,
Posted in FPGA, LCD | No Comments »

Driving an LCD from a broken laptop with an FPGA via the Papilio Plus board

Wednesday, October 3rd, 2012

Alex connected up an salvaged laptop LCD to his Papilio Plus FPGA development board. He is designing a pair of boards for easier interface, one is designed as a wing for the dev board, and the other as a breakout for the LCD. They'll be connected together via an HDMI...

Tags: , ,
Posted in dev boards, FPGA | 1 Comment »

PIC12F source shared for the one-wire HD44780 LCD controller

Friday, July 27th, 2012

As a follow up to the "One wire control of HD44780 LCDs" post, McLaren shared the Assembly source code for his project. Pick up the source in the forum. Assembly language source file and hex file (for 12F683) attached... Allow approximately 60 msecs after power-up for LCD initialization before sending...

Tags: , ,
Posted in LCD, PIC | 5 Comments »

App note: Graphic displays with the PIC32

Saturday, July 21st, 2012

Pretty user interfaces with a PIC 32: As the demand for Graphical Embedded Applications becomes more popular, so does the need for developing cost effective solutions. Many companies today offer solutions involving an additional internal or external graphics controller as part of a system, which may result in higher costs...

Tags: , , ,
Posted in app notes | No Comments »

WORKSHOP VIDEO #30: Bus Pirate LCD Adapter v3 overview and demo

Thursday, July 19th, 2012

[embed][/embed] EEVblog brought up the Bus Pirate LCD adapter this week, so we though it was a good time to talk about the latest v3 hardware revision and do a simple demo. This is a small board that has everything needed to control and test common HD44780 LCD character displays...

Tags: , , ,
Posted in Bus Pirate, LCD, Videos | 1 Comment »

LCD touch and button Boosterpacks are available at 43oh

Tuesday, June 19th, 2012

Lars designed and produced these LCD touch and button Boosterpacks for the MSP430. It's an LCD breakout with 4 tactile buttons or 4 cap buttons, depending on the version. It sits on top of the 430 LaunchPad, but can also function independently if a microcontroller is soldered on. This pack...

Tags: , ,
Posted in LCD, MSP430, open source | No Comments »

MSP430 based frequency counter with Nokia 1202 LCD

Monday, May 7th, 2012

A while ago we wrote about using cheap Nokia 1202 LCDs for projects. These LCDs come with a solderable connector, and are easy to interface over the I2C bus. Toxic239 made a frequency counter based on the MSP430 Launchpad and this LCD. Source code for his project is available in...

Tags: , ,
Posted in MSP430, project logs | No Comments »

GPS time standard clock with display

Tuesday, May 1st, 2012

Ezflyr's GPS-based clock uses the GlobalSat EM-406 module to show the time with around 1 second accuracy. Here is a photo of the completed GPS Display Time Standard I intend to use for setting a variety of clock projects I've made, or am working on. This GPS module, the GlobalSat...

Tags: , ,
Posted in project logs | 6 Comments »

Driving two character LCDs in parallel

Tuesday, March 27th, 2012

Abdullah explored the idea of driving two character LCDs in parallel. When he couldn't find any information about this online, he decided to try it out himself. Then I thought about it and I gave it a go. The result is positive! However, there is a gotcha; if you are...

Tags: , ,
Posted in Development | 2 Comments »

Serial port monitor with 2×20 LCD and 4K text buffer

Monday, February 13th, 2012

Kerry uses a DIY serial display to show debugging data sent from an Arduino's UART. Sometimes the data comes too fast to read, so he added a 4K buffer and controls to scroll thorough the history. ...if your application generates a lot of messages, it would still be hard to...

Tags: , ,
Posted in DIY | 2 Comments »

AVR transistor tester build

Monday, January 23rd, 2012

Mick received his boards for the AVR transistor tester (machine translation) and was quick to assemble them. His board was designed to the exact dimensions of a 2X16 LCD screen. He did have some issues with the silk screen, but all in all we think his boards are awesome. Via...

Tags: , ,
Posted in project logs | 4 Comments »

Cheap 2X16 red/black LCD tests

Tuesday, January 17th, 2012

We got our hands on a few cheap 2x16 red/black LCDs of eBay for $5 a piece, these are the same LCDs from the unboxing video. In preparation to build the soldering iron driver, we tested them out with the Bus Pirate LCD adapter and the USB LCD Backpack. Initially...

Tags: , ,
Posted in testing | 5 Comments »

Bravia LCD TV teardown

Monday, January 9th, 2012

Hak80r has been busy disemboweling electronic stuff lately. His latest is a cracked Bravia LCD TV. There's lots of pictures, users with a slow connections be advised. Via the forum.

Tags: , ,
Posted in LCD | No Comments »

Next Page »« Previous Page

Recent Comments