Liz: I try to keep an eye out for some of the kookier projects people are using their Raspberry Pis in. This autonomous, solar-powered, Atlantic-exploring work-in-progress fits the bill precisely (and it has a great name and incorporates Tupperware into its design), so I asked Greg Holloway, the Mind Behind, to write a few words [...]
NYC Resistor shows you how to have some fun with electronics from the junk bin. Their post called The Joy of Dumping encourages you to look around for older memory chips and see what they’ve been hiding away for all these years. The targets of their hunt are EPROM chips. Note the single ‘E’. These are [...]
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[Alessandro] sent us a link to his post about a PRU software VGA rasterizer. It’s not the easiest read, but we think it’s worth your time. The gist of his background information is that back when his company was developing for an ARM9 processor he wanted to test his metal with the coprocessor chips. The first [...]
[FlorianH] wanted to get video out working with his BeagleBone but he just couldn’t figure out how to make the kernel play ball. Then a bit of inspiration struck. He knew that if you plug in the official DVI cape (that’s the BeagleBone word for what you may know as a shield) the kernel automatically [...]
As is common among some hackers, [Henry] re-purposed an ATX power supply unit to function as a bench power supply for testing circuits on a breadboard (much like this fancy example). However, safety mechanisms on some modern PC PSUs do not automatically reset after over-current protection has kicked in, which soon became annoying for [Henry]. In order to make [...]
This hat has a chasing LED feature thanks to our old friend the 555 timer. [BananaSlug] even built in the option to change the speed at the push of a button. His design starts out with a costume hat. Each of the 25 LEDs is soldered to a 2×4 hole chunk of protoboard. The LED [...]
Just a quick note to finalize STM32 flashing topic. As you may know ST also produces his own debugger/programmer called ST-Link. It supports either JTAG and SWD interfaces. You can purchase ST-Link USB adapter but there is a better option. If you are in to STM32 microcontroller business you probably already own one of ST32 [...]
I’ve been seeing videos of ArcAttack all over the web for several years now and hoped one day I’d be able to cross paths with them. When I heard they were going to be at MakerFaire K. C., I was determined to grab them and ask a few questions. As it turns out, they’re fans [...]
Last time we have covered topic about flashing STM32 microcontrollers using bootlaoder. This is easiest and cheapest way of loading programs to MCU memory. But this isn’t the only way of doing this. Software can also be downloaded to using JTAG adapter which is used for debugging. This time we are not digging into debugging [...]
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