Collaborate Disseminate
In an educational project with ethically questionable applications, [ChromaLock] has converted the ubiquitous TI-84 calculator into the ultimate cheating device. The foundation of this hack lies in the TI-84’s link …read more Continue reading Internet Connected TI-84 To Cut Your Academic Career Short
If your memory of slot cars as a childhood toy is of lightweight controllers with wire-wound rheostats inside, then you’re many years behind the state of the art when it …read more Continue reading An ESP32 Delivers Perfect Slot Car Control
Developing your own film is an unabashedly analog process, which is one of the reasons people still gravitate towards it. After spending all day pushing buttons and looking at digital …read more Continue reading ESP32 Powers Custom Darkroom Timer
Although initially defined as an issue with GPIO inputs when configured with the internal pull-downs enabled, erratum RP2350-E9 has recently been redefined in the datasheet (page 1341) as a case …read more Continue reading Raspberry Pi RP2350-E9 Erratum Redefined as Input Mode Leakage Current
There’s a good chance you’ve seen “Nixie clocks” on the Internet that replace the classic cold cathode tubes with similarly sized LCD panels. The hook is that the LCDs can …read more Continue reading Recreating a Popular Faux-Nixie Clock
Hackaday readers are likely the kind of folks that have a favorite keyboard, so you can probably imagine how devastating it would be to find out that the board you’ve …read more Continue reading Microsoft Sculpt Keyboard Lives Again with RP2040
Last time, I gave you an overview of what you get from I2C, basics like addressing, interface speeds, and a breakdown of pullups. Today, let’s continue looking into I2C capabilities …read more Continue reading I2C For Hackers: Digging Deeper
There’s currently a significant amount of confusion around the full extent of the GPIO hardware issue in the Raspberry Pi RP2350 microcontroller, with [Ian] over at [Dangerous Prototypes] of Bus …read more Continue reading The Worsening Raspberry Pi RP2350 E9 Erratum Situation
Making microcontrollers produce video has long been a staple of hardware hacking, but as the resolution goes up, it becomes a struggle for less capable silicon. To get higher resolution …read more Continue reading Dual-Port RAM For a Simple VGA Card
The proliferation of microcontrollers has made it easier than ever to add some smarts to a project, but sometimes there just isn’t enough space for headers on a board, or …read more Continue reading SWD Interface Simplifies Debugging