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Simple Hardware Switch For OS Dualbooting, Thanks To RP2040
Dualbooting your computer can be a chore, the more switching between OSes you have to do – which is why virtualization or having separate computers are the go-to for many. Failing that, we have no...
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Trojans Can Lurk Inside AVR Bootloaders
If there’s one thing we’ve learned over the years, it’s that if it’s got a silicon chip inside, it could be carrying a virus. Research by one group focused on hiding a trojan inside an AVR Arduino...
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Low-Power Challenge: Making an Analog Clock Into a Calendar With a 50-Year Life
You have to be pretty ambitious to modify a clock to run for 50 years on a single battery. You also should probably be pretty young if you think you’re going to verify your power estimates, at least in...
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Getting The Most From Fading ThinkPads
The ThinkPad line of laptops has been widely prized not only by businesses but also by those who appreciate a high standard of hardware quality and repairability. But some think the cracks are starting...
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Using An Old Smartphone In Place of A Raspberry Pi
The Raspberry Pi was a fairly revolutionary computing device when it came on the scene around a decade ago. Enough processing power to run a full Linux desktop and plenty of GPIO meant almost certain...
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Blinkenlights to Bootloader: A Guide to STM32 Development
While things like the Arduino platform certainly opened up the gates of microcontroller programming to a much wider audience, it can also be limiting in some ways. The Arduino IDE, for example,...
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RP2040 Boot Loader is a Worm
[Hunter Adams] has written a secondary bootloader for the RP2040 that uses an IR link and can be extended to behave like a polite worm virus. This allows the easy updating of a large cluster of...
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