Solar Powered Weeding Tractor Uses Manual Labour
https://hackaday.com/2019/10/15/solar-powered-weeding-tractor-uses-manual-labour/
You might not have realised this, but there’s a group of hackers out there without whom you wouldn’t be able to put food on the table. They hack under the blazing sun and pouring rain, and have been doing it for thousands of years. Known more commonly as farmers, their …read more (https://hackaday.com/2019/10/15/solar-powered-weeding-tractor-uses-manual-labour/)
https://hackaday.com/2019/10/15/solar-powered-weeding-tractor-uses-manual-labour/
You might not have realised this, but there’s a group of hackers out there without whom you wouldn’t be able to put food on the table. They hack under the blazing sun and pouring rain, and have been doing it for thousands of years. Known more commonly as farmers, their …read more (https://hackaday.com/2019/10/15/solar-powered-weeding-tractor-uses-manual-labour/)
Endless Electronic Problems For Solving
https://hackaday.com/2019/10/15/endless-electronic-problems-for-solving/
We know not everyone who likes to build circuitry wants to dive headfirst into the underlying electrical engineering that makes everything work. However, if you want to, now is a great time. Many universities have most or all of their material online and you can even take many courses for …read more (https://hackaday.com/2019/10/15/endless-electronic-problems-for-solving/)
https://hackaday.com/2019/10/15/endless-electronic-problems-for-solving/
We know not everyone who likes to build circuitry wants to dive headfirst into the underlying electrical engineering that makes everything work. However, if you want to, now is a great time. Many universities have most or all of their material online and you can even take many courses for …read more (https://hackaday.com/2019/10/15/endless-electronic-problems-for-solving/)
Recreating Lord Nikon’s Laptop From Hackers
https://hackaday.com/2019/10/15/recreating-lord-nikons-laptop-from-hackers/
The outlandish computers from 1995’s Hackers are easily one of the most memorable elements of the iconic cult classic. In the film, each machine is customized to reflect the individual hacker that operates it, and feature everything from spray painted camouflage paint schemes to themed boot animations based on the …read more (https://hackaday.com/2019/10/15/recreating-lord-nikons-laptop-from-hackers/)
https://hackaday.com/2019/10/15/recreating-lord-nikons-laptop-from-hackers/
The outlandish computers from 1995’s Hackers are easily one of the most memorable elements of the iconic cult classic. In the film, each machine is customized to reflect the individual hacker that operates it, and feature everything from spray painted camouflage paint schemes to themed boot animations based on the …read more (https://hackaday.com/2019/10/15/recreating-lord-nikons-laptop-from-hackers/)
Cordless Drill Sprouts Wings And Takes Flight
https://hackaday.com/2019/10/16/cordless-drill-sprouts-wings-and-takes-flight/
Brushless motors and lithium batteries were a revolution for remote control aircraft. No longer would nitro engines rule the roost, as flying became far cheaper and more accessible almost overnight. The same technology has also found its way into power tools, leading to [Peter Sripol] deciding to build a powerdrill …read more (https://hackaday.com/2019/10/16/cordless-drill-sprouts-wings-and-takes-flight/)
https://hackaday.com/2019/10/16/cordless-drill-sprouts-wings-and-takes-flight/
Brushless motors and lithium batteries were a revolution for remote control aircraft. No longer would nitro engines rule the roost, as flying became far cheaper and more accessible almost overnight. The same technology has also found its way into power tools, leading to [Peter Sripol] deciding to build a powerdrill …read more (https://hackaday.com/2019/10/16/cordless-drill-sprouts-wings-and-takes-flight/)
A Tamagotchi for WiFi Cracking
https://hackaday.com/2019/10/16/a-tamagotchi-for-wifi-cracking/
OK, let’s start this one by saying that it’s useful to know how to break security measures in order to understand how to better defend yourself, and that you shouldn’t break into any network you don’t have access to. That being said, if you want to learn about security and …read more (https://hackaday.com/2019/10/16/a-tamagotchi-for-wifi-cracking/)
https://hackaday.com/2019/10/16/a-tamagotchi-for-wifi-cracking/
OK, let’s start this one by saying that it’s useful to know how to break security measures in order to understand how to better defend yourself, and that you shouldn’t break into any network you don’t have access to. That being said, if you want to learn about security and …read more (https://hackaday.com/2019/10/16/a-tamagotchi-for-wifi-cracking/)
Pack Your Bags – Systemd Is Taking You To A New Home
https://hackaday.com/2019/10/16/pack-your-bags-systemd-is-taking-you-to-a-new-home/
Home directories have been a fundamental part on any Unixy system since day one. They’re such a basic element, we usually don’t give them much thought. And why would we? From a low level point of view, whatever location $HOME is pointing to, is a directory just like any other …read more (https://hackaday.com/2019/10/16/pack-your-bags-systemd-is-taking-you-to-a-new-home/)
https://hackaday.com/2019/10/16/pack-your-bags-systemd-is-taking-you-to-a-new-home/
Home directories have been a fundamental part on any Unixy system since day one. They’re such a basic element, we usually don’t give them much thought. And why would we? From a low level point of view, whatever location $HOME is pointing to, is a directory just like any other …read more (https://hackaday.com/2019/10/16/pack-your-bags-systemd-is-taking-you-to-a-new-home/)
DIY Video Microscopy
https://hackaday.com/2019/10/16/diy-video-microscopy/
Owning a Microscope is great fun as a hobby in general, but for hackers, it is a particularly useful instrument for assembly and inspection, now that we are building hardware with “grain of sand” sized components in our basements and garages. [voidnill] was given an Eduval 4 microscope by a …read more (https://hackaday.com/2019/10/16/diy-video-microscopy/)
https://hackaday.com/2019/10/16/diy-video-microscopy/
Owning a Microscope is great fun as a hobby in general, but for hackers, it is a particularly useful instrument for assembly and inspection, now that we are building hardware with “grain of sand” sized components in our basements and garages. [voidnill] was given an Eduval 4 microscope by a …read more (https://hackaday.com/2019/10/16/diy-video-microscopy/)
RTFM: ADCs and DACs
https://hackaday.com/2019/10/16/rtfm-adcs-and-dacs/
It’s tough to find a project these days that doesn’t use an analog-to-digital converter (ADC) or digital-to-analog converter (DAC) for something. Whether these converters come as built-in peripherals on a microcontroller, or as separate devices connected over SPI, I2C, or parallel buses, all these converters share some common attributes, …read more (https://hackaday.com/2019/10/16/rtfm-adcs-and-dacs/)
https://hackaday.com/2019/10/16/rtfm-adcs-and-dacs/
It’s tough to find a project these days that doesn’t use an analog-to-digital converter (ADC) or digital-to-analog converter (DAC) for something. Whether these converters come as built-in peripherals on a microcontroller, or as separate devices connected over SPI, I2C, or parallel buses, all these converters share some common attributes, …read more (https://hackaday.com/2019/10/16/rtfm-adcs-and-dacs/)
The Smallest Homebrewed TTL CPU In the World
https://hackaday.com/2019/10/16/the-smallest-homebrewed-ttl-cpu-in-the-world/
The may very well be the smallest homemade TTL CPU we’ve ever seen. Measuring at one square inch, this tiny chip boasts 40 connections, an 8-bit databus, a 16-bit address bus, a 64 kB memory space, reset and clock inputs, and 5 V power lines.
TTL (transistor transistor logic) logic …read more (https://hackaday.com/2019/10/16/the-smallest-homebrewed-ttl-cpu-in-the-world/)
https://hackaday.com/2019/10/16/the-smallest-homebrewed-ttl-cpu-in-the-world/
The may very well be the smallest homemade TTL CPU we’ve ever seen. Measuring at one square inch, this tiny chip boasts 40 connections, an 8-bit databus, a 16-bit address bus, a 64 kB memory space, reset and clock inputs, and 5 V power lines.
TTL (transistor transistor logic) logic …read more (https://hackaday.com/2019/10/16/the-smallest-homebrewed-ttl-cpu-in-the-world/)
Painting with Light: The Homemade Pixelstick
https://hackaday.com/2019/10/16/painting-with-light-the-homemade-pixelstick/
Light painting has long graced the portfolios of long-exposure photographers, but high resolution isn’t usually possible when you’re light painting with human subjects.
This weekend project from [Timmo] uses an ESP8266-based microcontroller and an addressable WS2812-based LED strip to paint words or custom images in thin air. It’s actually based …read more (https://hackaday.com/2019/10/16/painting-with-light-the-homemade-pixelstick/)
https://hackaday.com/2019/10/16/painting-with-light-the-homemade-pixelstick/
Light painting has long graced the portfolios of long-exposure photographers, but high resolution isn’t usually possible when you’re light painting with human subjects.
This weekend project from [Timmo] uses an ESP8266-based microcontroller and an addressable WS2812-based LED strip to paint words or custom images in thin air. It’s actually based …read more (https://hackaday.com/2019/10/16/painting-with-light-the-homemade-pixelstick/)
Lane Keeping RC Car Uses OpenCV
https://hackaday.com/2019/10/16/lane-keeping-rc-car-uses-opencv/
Automakers continue to promise that fully autonomous cars are around the corner, but we’re still not quite there yet. However, there are a broad range of driver assist technologies that have come to market in recent years, with lane keeping assist being one of them. [raja_961] decided to implement this …read more (https://hackaday.com/2019/10/16/lane-keeping-rc-car-uses-opencv/)
https://hackaday.com/2019/10/16/lane-keeping-rc-car-uses-opencv/
Automakers continue to promise that fully autonomous cars are around the corner, but we’re still not quite there yet. However, there are a broad range of driver assist technologies that have come to market in recent years, with lane keeping assist being one of them. [raja_961] decided to implement this …read more (https://hackaday.com/2019/10/16/lane-keeping-rc-car-uses-opencv/)
Using TL Smoothers For Better 3D Prints
https://hackaday.com/2019/10/16/using-tl-smoothers-for-better-3d-prints/
Some 3D printers will give you prints with surfaces resembling salmon skin – not exactly the result you want when you’re looking for a high-quality print job. On bad print jobs, you can usually notice that the surface is shaking – even on the millimeter scale, this is enough to …read more (https://hackaday.com/2019/10/16/using-tl-smoothers-for-better-3d-prints/)
https://hackaday.com/2019/10/16/using-tl-smoothers-for-better-3d-prints/
Some 3D printers will give you prints with surfaces resembling salmon skin – not exactly the result you want when you’re looking for a high-quality print job. On bad print jobs, you can usually notice that the surface is shaking – even on the millimeter scale, this is enough to …read more (https://hackaday.com/2019/10/16/using-tl-smoothers-for-better-3d-prints/)
3D-Printed Transformer Disappoints, but Enlightens
https://hackaday.com/2019/10/16/3d-printed-transformer-disappoints-but-enlightens/
Transformers are deceptively simple devices. Just coils of wire sharing a common core, they tempt you into thinking you can make your own, and in many cases you can. But DIY transformers have their limits, as [Great Scott!] learned when he tried to 3D-print his own power transformer.
To be …read more (https://hackaday.com/2019/10/16/3d-printed-transformer-disappoints-but-enlightens/)
https://hackaday.com/2019/10/16/3d-printed-transformer-disappoints-but-enlightens/
Transformers are deceptively simple devices. Just coils of wire sharing a common core, they tempt you into thinking you can make your own, and in many cases you can. But DIY transformers have their limits, as [Great Scott!] learned when he tried to 3D-print his own power transformer.
To be …read more (https://hackaday.com/2019/10/16/3d-printed-transformer-disappoints-but-enlightens/)
Long Live Jibo, Our Adorable Robot Companion
https://hackaday.com/2019/10/17/long-live-jibo-our-adorable-robot-companion/
Jibo, the adorable robot made by Jibo, Inc., was getting phased out, but that didn’t stop [Guilherme Martins] from using his robot companion for one last hack.
When he found out that the company would be terminating production of new Jibos and shutting down their servers, he wanted to replace …read more (https://hackaday.com/2019/10/17/long-live-jibo-our-adorable-robot-companion/)
https://hackaday.com/2019/10/17/long-live-jibo-our-adorable-robot-companion/
Jibo, the adorable robot made by Jibo, Inc., was getting phased out, but that didn’t stop [Guilherme Martins] from using his robot companion for one last hack.
When he found out that the company would be terminating production of new Jibos and shutting down their servers, he wanted to replace …read more (https://hackaday.com/2019/10/17/long-live-jibo-our-adorable-robot-companion/)
When Life Gives You Lemons, Make a Rube Goldberg Machine
https://hackaday.com/2019/10/17/when-life-gives-you-lemons-make-a-rube-goldberg-machine/
When life gives you lemons, you make lemonade. At least that’s what the [Sprice Machines] thought when they decided to turn a house into the set of a 9-minute long Rube Goldberg machine to make lemonade. (Video embedded below.) The complex chain reactions runs across multiple rooms, using everyday objects …read more (https://hackaday.com/2019/10/17/when-life-gives-you-lemons-make-a-rube-goldberg-machine/)
https://hackaday.com/2019/10/17/when-life-gives-you-lemons-make-a-rube-goldberg-machine/
When life gives you lemons, you make lemonade. At least that’s what the [Sprice Machines] thought when they decided to turn a house into the set of a 9-minute long Rube Goldberg machine to make lemonade. (Video embedded below.) The complex chain reactions runs across multiple rooms, using everyday objects …read more (https://hackaday.com/2019/10/17/when-life-gives-you-lemons-make-a-rube-goldberg-machine/)
Worn out eMMC Chips are Crippling Older Teslas
https://hackaday.com/2019/10/17/worn-out-emmc-chips-are-crippling-older-teslas/
It should probably go without saying that the main reason most people buy an electric vehicle (EV) is because they want to reduce or eliminate their usage of gasoline. Even if you aren’t terribly concerned about your ecological footprint, the fact of the matter is that electricity prices are so …read more (https://hackaday.com/2019/10/17/worn-out-emmc-chips-are-crippling-older-teslas/)
https://hackaday.com/2019/10/17/worn-out-emmc-chips-are-crippling-older-teslas/
It should probably go without saying that the main reason most people buy an electric vehicle (EV) is because they want to reduce or eliminate their usage of gasoline. Even if you aren’t terribly concerned about your ecological footprint, the fact of the matter is that electricity prices are so …read more (https://hackaday.com/2019/10/17/worn-out-emmc-chips-are-crippling-older-teslas/)
Coandă Effect Makes a Better Hovercraft than a Quadcopter
https://hackaday.com/2019/10/17/coanda-effect-makes-a-better-hovercraft-than-a-quadcopter/
Leaving no stone unturned in his quest for alternative and improbable ways to generate lift, [Tom Stanton] has come up with some interesting aircraft over the years. But this time he isn’t exactly flying, with this unusual Coandă effect hovercraft.
If you’re not familiar with the Coandă effect, neither were …read more (https://hackaday.com/2019/10/17/coanda-effect-makes-a-better-hovercraft-than-a-quadcopter/)
https://hackaday.com/2019/10/17/coanda-effect-makes-a-better-hovercraft-than-a-quadcopter/
Leaving no stone unturned in his quest for alternative and improbable ways to generate lift, [Tom Stanton] has come up with some interesting aircraft over the years. But this time he isn’t exactly flying, with this unusual Coandă effect hovercraft.
If you’re not familiar with the Coandă effect, neither were …read more (https://hackaday.com/2019/10/17/coanda-effect-makes-a-better-hovercraft-than-a-quadcopter/)
Worried About Bats in your Belfry? A Tale of Two Bat Detectors
https://hackaday.com/2019/10/17/worried-about-bats-in-your-belfry-a-tale-of-two-bat-detectors/
As somebody who loves technology and wildlife and also needs to develop an old farmhouse, going down the bat detector rabbit hole was a journey hard to resist. Bats are ideal animals for hackers to monitor as they emit ultrasonic frequencies from their mouths and noses to communicate with each …read more (https://hackaday.com/2019/10/17/worried-about-bats-in-your-belfry-a-tale-of-two-bat-detectors/)
https://hackaday.com/2019/10/17/worried-about-bats-in-your-belfry-a-tale-of-two-bat-detectors/
As somebody who loves technology and wildlife and also needs to develop an old farmhouse, going down the bat detector rabbit hole was a journey hard to resist. Bats are ideal animals for hackers to monitor as they emit ultrasonic frequencies from their mouths and noses to communicate with each …read more (https://hackaday.com/2019/10/17/worried-about-bats-in-your-belfry-a-tale-of-two-bat-detectors/)
“The Thing”: A Homemade FPGA Board
https://hackaday.com/2019/10/17/the-thing-a-homemade-fpga-board/
The Thing is an unassuming name for an ambitious project to build an FPGA board from easy to find components.
The project stems from an earlier build submitted to the 2018 Hackaday Prize by [Just4Fun] where two dev boards – an STM32-based Arduino and an Altera MAX II CPLD board …read more (https://hackaday.com/2019/10/17/the-thing-a-homemade-fpga-board/)
https://hackaday.com/2019/10/17/the-thing-a-homemade-fpga-board/
The Thing is an unassuming name for an ambitious project to build an FPGA board from easy to find components.
The project stems from an earlier build submitted to the 2018 Hackaday Prize by [Just4Fun] where two dev boards – an STM32-based Arduino and an Altera MAX II CPLD board …read more (https://hackaday.com/2019/10/17/the-thing-a-homemade-fpga-board/)
Balance Box Game Requires A Steady Hand
https://hackaday.com/2019/10/17/balance-box-game-requires-a-steady-hand/
In the distant past, engineers used exotic devices to measure orientation, such as large mechanical gyros and mercury tilt switches. These are all still useful methods, but for many applications MEMS motions devices have become the gold standard. When [g199] set out to build their Balance Box game, it was …read more (https://hackaday.com/2019/10/17/balance-box-game-requires-a-steady-hand/)
https://hackaday.com/2019/10/17/balance-box-game-requires-a-steady-hand/
In the distant past, engineers used exotic devices to measure orientation, such as large mechanical gyros and mercury tilt switches. These are all still useful methods, but for many applications MEMS motions devices have become the gold standard. When [g199] set out to build their Balance Box game, it was …read more (https://hackaday.com/2019/10/17/balance-box-game-requires-a-steady-hand/)