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Retrotechtacular: The Speaking Clock Goes Silent
It used to be that time was a lot more relative than it is today. With smartphones synced to GPS and network providers’ clocks, we all pretty much have access to an authoritative current time, giving...
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Protect Your Batteries Before You Wreck Your Batteries
[Jan] is solving a problem many of us have had, deeply discharging our project’s batteries and potentially damaging the cells. His board can handle batteries from 6 to 34 volts and supports both LiPo...
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RPi4: Now Overclocked, Net-Booted, and Power-Sipping
It has now been a few months since the launch of the Raspberry Pi 4, and it would only be fair to describe the launch as “rocky”. While significantly faster than the Pi 3 on paper, its propensity for...
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High-Precision Air Bearing CNC Lathe and Grinder
You know you’re in for a treat when you are told that a lathe which can reach a resolution of one micrometer (1×10−6, a millionth of a meter, or 0.00004″ for people who love zeros) is ‘not hard to...
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Superconference Interview: Ted Yapo
We’re just two weeks away from the fifth annual Hackaday Superconference, the single biggest gathering of hardware enthusiasts on at least one continent. It’s gearing up to be great, and we’re super...
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Saintcon Badge is an Enigma No More
Through the weekend Twitter has been a-titter with news coming out of Saintcon, the annual security conference in Provo, Utah. Now that the weekend is over we can finally get our hands on full hardware...
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Bee Minder Proves Not Even Bees are Safe From Surveillance States
We all know how important bees are to our ecosystems and [Kris Winer]’s bee monitor provides a great way to monitor these amazing but delicate creature’s habitats, hopefully alerting us before a...
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Five Channel Monitor Keeps Boat Batteries Shipshape
While those of us stuck sailing desks might not be able to truly appreciate the problem, [Timo Birnschein] was tired of finding that some of the batteries aboard his boat had gone flat. He wanted some...
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Hackaday Podcast 042: Capacitive Earthquakes, GRBL on ESP32, Solenoid...
Hackaday Editors Elliot Williams and Mike Szczys talk turkey on the latest hacks. Random numbers, art, and electronic geekery combine into an entropic masterpiece. We saw Bart Dring bring new life to...
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DSP Spreadsheet: Frequency Mixing
Circuit simulation and software workbooks like Matlab and Jupyter are great for being able to build things without a lot of overhead. But these all have some learning curve and often use clever tricks,...
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FBus: An Extensible and Easily Configurable FPGA Based DAQ
[flow] is a little disillusioned with commercial Data Acquisition Systems (DAQs) and channeled his frustration into his own, very cool, FPGA based solution. The project takes form as a back plane into...
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Announcing the “Take Flight with Feather” Contest
The Adafruit Feather is the latest platform for microcontroller development, and companies like Particle, Sparkfun, Seeed Studios, and of course Adafruit are producing Feather-compatible devices for...
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Adding USB-C To The TS100
The TS100 is a popular entry into the new breed of small temperature-controlled soldering irons that, at least for some of us, have started to replace the bulky soldering stations of old....
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These Maple Pod Inspired Drones Silently Carry Payloads
Researchers from the Singapore University of Technology and Design (SUTD) recently released a video showing their nature-inspired drone that is capable of breaking out into five separate smaller...
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Router Rebooter Without The Effort
It’s one of the rituals of our age, rebooting the family router when the bandwidth falters. Flip the power, and after half a minute or so your YouTube video starts up again. Consumer-grade router...
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IR Hack Turns Kid’s Lamp Into Temp Display
Sometimes a clever hack of an off-the-shelf product can come courtesy of its dismantling and hardware modification, but at other times the most elegant of hacks can be made without ever turning a...
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The 3D Printers, Scanners, and Art Robots of Maker Faire Rome
How is it possible that a robot can sketch both better and worse than I can at the same time, and yet turn out an incredible work of art? Has 3D-scanning really come so far that a simple camera and...
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Forget Printing Labels for Your Bathtub Hooch, Why Not Engrave The Bottle?
[BlueFlower] sends in this cool wine bottle engraver. It’s a simple machine that reminds us of the infamous EggBot. One axis can move in x and z while the other axis rotates the work piece. The EggBot...
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The $5 FPGA
You ever wonder exactly what’s inside that cheap stuff you get from China? Sometimes it is cheap parts you’ve never heard about. Case in point: if you are willing to import, you can score an FPGA...
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Intercontinental Radio Communications With The Help Of Fly Fishing Reels
All of us have experience in trying to explain to a confused store assistant exactly what type of kitchen implement you’re looking for, and why it is a perfectly suitable part for your autonomous...
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