Collaborate Disseminate
This week featured a large kerfuffle over a hack that you probably read about here on Hackaday: [Neutrino] wedged an OLED screen and an ESP32 into a Casio calculator. REACT, an anti-counterfeiting organization, filed DMCA copyright takedowns on Casio’s behalf everywhere, including GitHub and YouTube, and every trace of [Neutrino]’s …read more
Hackaday editors Mike Szczys and Elliot Williams march to the beat of the hardware hacking drum as they recount the greatest hacks to hit the ‘net this week. First up: Casio stepped in it with a spurious DMCA takedown notice. There’s a finite matrix of resistors that form a glorious …read more
Earlier this month, we posted coverage of an ingenious calculator hack that took a Casio calculator and put an ESP8266 module and an OLED display in the space occupied by its solar cell. Controlled by a pair of unobtrusive Hall effect devices, the calculator could have been used as an …read more
Continue reading DMCA Takedown Issued Over Casio Code That Wasn’t
Not content to rule the world of digital watches, Casio also dominated the home musical keyboard market in decades past. If you wanted an instrument to make noises that sounded approximately nothing like what they were supposed to be, you couldn’t go past a Casio. [Marwan] had just such a …read more
Obviously, we would never endorse cheating on an exam, but sometimes a device is just too tempting to be left untouched. For [Neutrino], it was an old Casio calculator that happened to have a perfectly sized solar panel to fit a 128×32 OLED as replacement. But since the display won’t …read more
Continue reading 21st Century Cheating: WiFi In A Calculator
Despite his best efforts to repair the LCD on his Casio FX-702P, it soon became clear to [Andrew Menadue] that it was a dead-end. Rather than toss this relatively valuable device in the trash, he wondered if would be possible to replace the LCD with a more modern display. Knowing …read more
Continue reading Bus Sniffing Leads to New Display for Vintage Casio
Device and application security leader Trustonic announces that Casio has selected Trustonic Secured Platform (TSP) to bring additional security and trust to its next-generation flagship wearable. The Casio PRO TREK Smart WSD-F21HR launched in August w… Continue reading Casio selects Trustonic to bring additional security and trust to its smartwatches
The Casio F-91W is probably the most popular wristwatch ever made. It’s been in production forever, it’s been worn by presidents, and according to US Army intelligence it is “the sign of al-Qaeda”. There’s a lot of history in this classic watch. That said, there is exactly one problem with …read more
Before Wolfram Alpha, before the Internet, before even PCs, calculations more complex than what could be accomplished with a “four banger” required some kind of programmable calculator. There were many to choose from, if you had the means, and as time passed they became more and more sophisticated. Some even …read more
Continue reading Reviving a Casio Scientific Calculator, with a CNC Router
We’ve got to admit to being a bit of a Casio G-Shock watch geek. The big, chunky watches were every day carry items that survived everything we dished out, right up until the smartphone made wearing one seem redundant. But others continue to use and abuse G-Shocks, and some brave souls even hack them.
Replacing the standard quartz crystal with a temperature-compensated MEMS oscillator is one hack that [Alex] tried, and it appears to have worked out well. His project write-up doesn’t specify which MEMS oscillator was used, but we suspect it’s the SiT1552 TCXO. With its extremely small size, …read more