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This is the serial backpack for graphic LCDs. The SparkFun Graphic LCD Serial Backpack interfaces to either our 160x128 pixel “Huge” Graphic LCD, or the smaller 128x64 pixel display, and provides a simple serial interface to a full range of controls.
This backpack will allow you to write text, draw lines, circles and boxes, set or reset individual pixels, and erase specific blocks of the display. The backlight and baud rate can also be controlled via serial communication. There’s also a reverse mode that allows the screen to operate blue on white instead of white on blue. Additionally, all source code for the ATMega168 processor is compiled using the free WinAVR compiler and is free for downloading.
There is a solder jumper on the backpack that determines which display is used. When the solder jumper is closed, code for the 128x64 display will run. If the jumper is open, code for the 160x128 display will run.
Check out this tutorial!
This skill defines how difficult the soldering is on a particular product. It might be a couple simple solder joints, or require special reflow tools.
Skill Level: Noob - Some basic soldering is required, but it is limited to a just a few pins, basic through-hole soldering, and couple (if any) polarized components. A basic soldering iron is all you should need.
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If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.
Skill Level: Rookie - You will need a better fundamental understand of what code is, and how it works. You will be using beginner-level software and development tools like Arduino. You will be dealing directly with code, but numerous examples and libraries are available. Sensors or shields will communicate with serial or TTL.
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If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Competent - You will be required to reference a datasheet or schematic to know how to use a component. Your knowledge of a datasheet will only require basic features like power requirements, pinouts, or communications type. Also, you may need a power supply that?s greater than 12V or more than 1A worth of current.
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Based on 3 ratings:
4 of 4 found this helpful:
There may be other devices out there that do what this backpack does, but I haven’t found one nor done an exhaustive search. This device is a great idea, as are so many Sparkfun products, but the firmware is buggy! After struggling with my work-arounds for a while, I decided to download the Jenn Holt firmware from Sourceforge. Her feature set is a super-set of the Sparkfun features, and every one I’ve tried works as advertised. I’m not an Arduino or Atmel guy, but I was able to get it downloaded and running using the “eXtreme Burner - AVR” software and a $7 burner from eBay in no time. Give it a shot. You’ll end up with an extremely functional device afterwards. I continue to buy these devices, but the first thing I do is re-program the firmware! (One caveat: Her firmware only works with the 128X64 display.)
Hi , i am using this backpack with my Graphic LCD 240x128 with T6963 Controller and i have a strange problem. It’s look like the display is shifted in horizontal for at least 70% and a pixel up in vertical after this 70% . I flash it again the firmware but it is still with the same problem. Hope to find some help!
Sorry about the problems with the display’s alignment. Have you contacted our technical support department at Techsupport@sparkfun.com - they’ve been instrumental in helping people with issues like these in the past.
Must have, in case tight pin budget is the issue for your project - only two signal wires (and 2 more for power and ground) is as good as it gets!
I am using it in conjunction with Jon Green’s AltSerialGLCD firmware (and accompanying Arduino library), which is even more improved (and very well documented) version of the famous Jennifer Holt’s library. So far experience is very satisfying. I’ve built an Arduino menu manager on top of that combination: https://github.com/Spirik/GEM .
Even if you’re not satisfied with stock firmware, don’t give up on backpack itself - spend a little time to update it to Jennifer Holt’s or Jon Green’s version and this little board will absolutely shine!