Arduino BASIC interpreter using LCD, keyboard, and SD
This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, and PS/2...
View ArticleSalvaged LCD screen hacking
You can find all kinds of LCD screens in broken electronics. But it’s often a chore to figure out how they are controlled if you don’t have a working device that can be used to sniff the...
View ArticleSmall life on a character LCD
[Duality] just finished programming Conway’s Game of Life on a character LCD. The game is a great programming exercise that everyone should undertake at one point or another. It uses a very simple set...
View ArticleUsing an HD44780 character LCD with the Raspberry Pi
[Tech2077] is one of the lucky ones who already got his hands on a Raspberry Pi. He’s been looking into different interface options with the GPIO header and just posted a guide to using an HD44780...
View ArticleHackathon results in the Facebook book
[Jeremy Blum] and [Jason Wright] pose with their project at the end of a 24 hour hackathon. The Facebook headquarters in New York City held the event as part of their Summer of Hack program. As an...
View ArticleSpace invaders played on a 16×2 character display
This Space Invaders game does more with less. [Rjk79] managed to make a video game using a two-line character display. The game consists of a wave of invaders on the top line, with the defender cannon...
View ArticleMinimalist user interface for headless Raspberry Pi applications
[Jason Birch] just finished building a beautifully simple user interface for the Raspberry Pi. The goal was to keep it small and intuitive while still providing a range of functionality. His add-on...
View ArticleHackaday Links: February 9, 2014
Here’s a quick tip to extend the usefulness of your multimeter. It’s a set of mini test hooks soldered to alligator clips with a short hunk of stranded wire in between. You can buy mini test hooks...
View ArticleFail of the Week: Reset Issues with 595 and HD44780
We really like to see hardware hackers stepping out of the safe and polished boundaries of available Arduino libraries. One example of this is a project which [Matteo] thought worked: using a shift...
View ArticleUpgrading Old Synths To OLED
Roland’s Alpha Juno 2 is an analog, polyphonic synth made in the mid-80s. While it isn’t as capable as the massive synths made around that time, it was very influential synth for the techno scenes of...
View ArticleManual LCD Makes Information Display Tedious, Educational
The HD44780 is one of the first chips we learned about as a kid, and chances are good you’ve used one in your project at some point, and almost certain that you’ve interacted with one in your life. The...
View ArticleAdding Character To The C64
The venerable Commodore 64, is there anything it can’t do? Like many 1980s computer platforms, direct access to memory and peripherals makes hacking easy and fun. In particular, you’ll find serial...
View ArticleSmooth(er) Text Scrolling on HD44780 LCDs
Most Hackaday readers are likely to be familiar with character LCDs driven by the extremely common Hitachi HD44780 controller chip. If you’re looking for a cheap and easy way for your microcontroller...
View ArticleBig Time Character LCD Clock
While the SSD1306 OLED has somewhat become the go-to display for up-to-date projects, the good old character displays with their Hitachi HD44780 controller don’t seem to be disappearing just yet...
View ArticleHere’s How to Sniff Out an LCD Protocol, But How Do You Look Up the Controller?
Nothing feels better than getting a salvaged component to do your bidding. But in the land of electronic displays, the process can quickly become a quagmire. For more complex displays, the secret...
View ArticleArduino Caller ID Display is Better Late than Never
It’s no secret that the era of the landline telephone is slowly coming to a close. As of 2020, it was estimated that less than half the homes in America still subscribed to plain old telephone service...
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