Exporting Data from Old Gear Through LCD Sniffing

Photo of the spectrophotometer in question, with a screenshot of the decoding software on the right

[Jure Spiler] was at a flea market and got himself a spectrophotometer — a device that measures absorbance and transmittance of light at different wavelengths. This particular model seems to …read more Continue reading Exporting Data from Old Gear Through LCD Sniffing

Smoothing Big Fonts on Graphic LCDs

Here’s a neat little trick: take the jaggies out of scaled fonts on the fly! This technique is for use on graphic displays where you might want to scale your fonts up. Normally you’d just write a 2×2 block of pixels for every area where there would have been one …read more

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Shoehorning A Slick Spotify Remote Into An ESP8266

In 2017 Spotify finally deprecated their public vanilla C SDK library,  libspotify, and officially replaced it with dedicated SDKs for iOS and Android and this new-fangled web thing we’ve all heard so much about. This is probably great for their maintainability but makes writing a native application for a Linux or a hardware device significantly harder, at least without an application process and NDA. Or is it? Instead of using that boring slab of glass and metal in their pocket [Dani] wanted to build a handy “now playing” display and remote control interface but was constrained by the aforementioned SDK …read more

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Regrowing a Blackberry from the Keyboard Out

Here at Hackaday we’re big fans of device-reuse, and what [arturo182] has done with the Blackberry Q10’s keyboard is a fantastic example. Sometimes you’re working on a portable device and think to yourself “what this could really use is a QWERTY keyboard”. What project doesn’t need a keyboard?

Typically this descends into a cost benefit analysis of the horrors of soldering 60ish SMD tact switches to a board, which is no fun. With more resources you can use Snaptron snap domes like the [NextThingCo’s] PocketCHIP, but those are complex to source for a one off project and the key feel …read more

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Hacking Together a Serial Backpack

A serial backpack is really nothing more than a screen and some microcontroller glue to drive it. And a hammer is nothing more than a hardened weight on the end of a stick. But when you’re presented with a nail, or a device that outputs serial diagnostic data, there’s nothing like having the right tool on hand.

[ogdento] built his own serial backpack using parts on hand and a port of some great old code. Cutting up a Nokia 1100 graphic display and pulling a PIC out of the parts drawer got him the hardware that he needed, and he …read more

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How to Make a Custom LCD from Scratch

If you have ever wondered what it took to make your own custom graphic LCD from scratch, this video from [Applied Science] is worth a watch. It’s concise and to the point, while still telling you what you need to know should you be interested in rolling your own. There is also a related video which goes into much more detail about experimenting with LCD technology.

[Applied Science] used microscope slides and parts purchased online to make an LCD that displays a custom graphic when activated. The only step that home experimenters might have trouble following is coating the glass …read more

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