Collaborate Disseminate
It all started with a vague error code (shown in the image above) on [nophead]’s Bosch SMS88TW01G/01 dishwasher, and it touched off a months-long repair nightmare that even involved a …read more Continue reading Dishwasher Repair Nightmare: Chasing Down 3 Faults
[Avian] has picked up a Miniware LA104 – a small battery-powered logic analyzer with builtin protocol decoders. Such analyzers are handy tools for when you quickly need to see what …read more Continue reading When Your Logic Analyzer Can’t Tell Good and Bad Signals Apart
A common enough microcontroller project is to create some form of logic analyzer. In theory, it should be pretty easy: grab some digital inputs, store them, and display them. But, …read more Continue reading Pico Makes Capable Logic Analyzer
[Etienne Sellan] got one of these lovely $5 logic analyzers. As with any shiny new tool, he started looking for things to investigate with it, and his gaze fell on …read more Continue reading Anyone Can Be The Master Of This Master Lock Safe
[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
There’s a slew of hardware hacker problems that a logic analyzer is in a perfect position to solve. Whether you’re trying to understand why an SPI LCD screen doesn’t initialize, …read more Continue reading Need A Logic Analyzer? Use Your Pico!
The basic test instrument suite — a bench power supply, a good multimeter and perhaps an oscilloscope — is extremely flexible, but not exactly “plug and play” when it comes to diagnosing problems with some common hardware setups. A problem …read more
Continue reading Logic Meter Makes Aims to Make Hobby Electronics Troubleshooting Easier
A few years ago, low-cost pocket digital oscilloscopes aimed at the hacker and maker crowd started hitting the market and gained quite a following. While few would consider them to be a replacement for a proper bench scope, they’re cheap and convenient enough that it’s hard to complain. Manufacturers are …read more
Continue reading Teaching a Pocket Logic Analyzer (Many) New Tricks
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
[Jason Gin] wanted to reuse the SIM card that came with a ZTE WF721 wireless terminal he got from AT&T, but as he expected, it was locked to the device. Unfortunately, the terminal has no function to change the PIN and none of the defaults he tried seemed to work. …read more