Building Video Pong With Discrete Components
https://hackaday.com/2019/09/17/building-video-pong-with-discrete-components/
Pong is a classic from the very dawn of the video game era. Recreating it remains a popular exercise for those new to coding. However, its simple logic makes this game particularly suited to an all-hardware build; something which [Glen] tackles with aplomb.
Not content to take the easy way …read more (https://hackaday.com/2019/09/17/building-video-pong-with-discrete-components/)
https://hackaday.com/2019/09/17/building-video-pong-with-discrete-components/
Pong is a classic from the very dawn of the video game era. Recreating it remains a popular exercise for those new to coding. However, its simple logic makes this game particularly suited to an all-hardware build; something which [Glen] tackles with aplomb.
Not content to take the easy way …read more (https://hackaday.com/2019/09/17/building-video-pong-with-discrete-components/)
Speed Up Filming With This Jawdropping 8-Axis Camera Crane
https://hackaday.com/2019/09/17/speed-up-filming-with-this-jawdropping-8-axis-camera-crane/
These days, it can feel like a project doesn’t exist unless you’ve posted a video on the Internet about it. [mingul] was in the process of producing his own videos, but found having to repeatedly move and set up the camera tiring. Naturally, a completely overkill eight-axis motion control robot …read more (https://hackaday.com/2019/09/17/speed-up-filming-with-this-jawdropping-8-axis-camera-crane/)
https://hackaday.com/2019/09/17/speed-up-filming-with-this-jawdropping-8-axis-camera-crane/
These days, it can feel like a project doesn’t exist unless you’ve posted a video on the Internet about it. [mingul] was in the process of producing his own videos, but found having to repeatedly move and set up the camera tiring. Naturally, a completely overkill eight-axis motion control robot …read more (https://hackaday.com/2019/09/17/speed-up-filming-with-this-jawdropping-8-axis-camera-crane/)
India’s Moon Mission is Far from Over
https://hackaday.com/2019/09/17/indias-moon-mission-is-far-from-over/
India’s Chandrayaan-2 mission to the Moon was, in a word, ambitious. Lifting off from the Satish Dhawan Space Centre on July 22nd, the mission hoped to simultaneously deliver an orbiter, lander, and rover to our nearest celestial neighbor. The launch and flight to the Moon went off without a hitch, …read more (https://hackaday.com/2019/09/17/indias-moon-mission-is-far-from-over/)
https://hackaday.com/2019/09/17/indias-moon-mission-is-far-from-over/
India’s Chandrayaan-2 mission to the Moon was, in a word, ambitious. Lifting off from the Satish Dhawan Space Centre on July 22nd, the mission hoped to simultaneously deliver an orbiter, lander, and rover to our nearest celestial neighbor. The launch and flight to the Moon went off without a hitch, …read more (https://hackaday.com/2019/09/17/indias-moon-mission-is-far-from-over/)
Arduino Bot Rocks A PS2 Controller
https://hackaday.com/2019/09/17/arduino-bot-rocks-a-ps2-controller/
As far as controlling robots goes, makers today are spoilt for choice. WiFi and Bluetooth enabled microcontrollers are a dime a dozen, and integration with smartphone apps is a cinch. Despite this, the old methods still hold sway, as [Igor Fonseca] demonstrates with a simple Arduino bot.
It’s a classic …read more (https://hackaday.com/2019/09/17/arduino-bot-rocks-a-ps2-controller/)
https://hackaday.com/2019/09/17/arduino-bot-rocks-a-ps2-controller/
As far as controlling robots goes, makers today are spoilt for choice. WiFi and Bluetooth enabled microcontrollers are a dime a dozen, and integration with smartphone apps is a cinch. Despite this, the old methods still hold sway, as [Igor Fonseca] demonstrates with a simple Arduino bot.
It’s a classic …read more (https://hackaday.com/2019/09/17/arduino-bot-rocks-a-ps2-controller/)
Linux Fu: Shell Scripts in C, C++, and Others
https://hackaday.com/2019/09/17/linux-fu-shell-scripts-in-c-c-and-others/
At first glance, it might not seem to make sense to write shell scripts in C/C++. After all, the whole point to a shell script is to knock out something quick and dirty. However, there are cases where you might want to write a quick C program to do something …read more (https://hackaday.com/2019/09/17/linux-fu-shell-scripts-in-c-c-and-others/)
https://hackaday.com/2019/09/17/linux-fu-shell-scripts-in-c-c-and-others/
At first glance, it might not seem to make sense to write shell scripts in C/C++. After all, the whole point to a shell script is to knock out something quick and dirty. However, there are cases where you might want to write a quick C program to do something …read more (https://hackaday.com/2019/09/17/linux-fu-shell-scripts-in-c-c-and-others/)
A Curiously Strong Z80 in your Pocket
https://hackaday.com/2019/09/17/a-curiously-strong-z80-in-your-pocket/
Like many hackers, [Tom Szolyga] has soft spot for the venerable Z80. The number of instructions and registers made it relatively easy to program in ASM, and he still has fond memories of the refreshingly straightforward CP/M operating system he used to run on them back in the day. In …read more (https://hackaday.com/2019/09/17/a-curiously-strong-z80-in-your-pocket/)
https://hackaday.com/2019/09/17/a-curiously-strong-z80-in-your-pocket/
Like many hackers, [Tom Szolyga] has soft spot for the venerable Z80. The number of instructions and registers made it relatively easy to program in ASM, and he still has fond memories of the refreshingly straightforward CP/M operating system he used to run on them back in the day. In …read more (https://hackaday.com/2019/09/17/a-curiously-strong-z80-in-your-pocket/)
3D Printed Spuds Are Begging To Be Fired
https://hackaday.com/2019/09/17/3d-printed-spuds-are-begging-to-be-fired/
The ballistics of humble potato is a time-honoured research topic for everyone who likes things that go bang. The focus of such work is usually on the launcher itself, with the projectiles being little more than an afterthought. [drenehtsral] decided that the wares of the local organic ammunition supplier were …read more (https://hackaday.com/2019/09/17/3d-printed-spuds-are-begging-to-be-fired/)
https://hackaday.com/2019/09/17/3d-printed-spuds-are-begging-to-be-fired/
The ballistics of humble potato is a time-honoured research topic for everyone who likes things that go bang. The focus of such work is usually on the launcher itself, with the projectiles being little more than an afterthought. [drenehtsral] decided that the wares of the local organic ammunition supplier were …read more (https://hackaday.com/2019/09/17/3d-printed-spuds-are-begging-to-be-fired/)
Glitching LED Display Proves Crowd Favorite
https://hackaday.com/2019/09/17/glitching-led-display-proves-crowd-favorite/
There’s something enchanting about the soft glow of a properly diffused LED, and this is only improved by greater numbers of LEDs. [Manoj Nathwani] was well aware of this, setting out to build a large display using ping-pong balls for their desirable optical qualities.Unfortunately, not everything went to plan, but …read more (https://hackaday.com/2019/09/17/glitching-led-display-proves-crowd-favorite/)
https://hackaday.com/2019/09/17/glitching-led-display-proves-crowd-favorite/
There’s something enchanting about the soft glow of a properly diffused LED, and this is only improved by greater numbers of LEDs. [Manoj Nathwani] was well aware of this, setting out to build a large display using ping-pong balls for their desirable optical qualities.Unfortunately, not everything went to plan, but …read more (https://hackaday.com/2019/09/17/glitching-led-display-proves-crowd-favorite/)
Your Next Robot Needs Googly Eyes, And Other Lessons from Disney
https://hackaday.com/2019/09/17/your-next-robot-needs-googly-eyes-and-other-lessons-from-disney/
There are so many important design decisions behind a robot: battery, means of locomotion, and position sensing, to name a few. But at a library in Helsinki, one of the most surprising design features for a librarian’s assistant robot was googly eyes. A company called Futurice built a robot for …read more (https://hackaday.com/2019/09/17/your-next-robot-needs-googly-eyes-and-other-lessons-from-disney/)
https://hackaday.com/2019/09/17/your-next-robot-needs-googly-eyes-and-other-lessons-from-disney/
There are so many important design decisions behind a robot: battery, means of locomotion, and position sensing, to name a few. But at a library in Helsinki, one of the most surprising design features for a librarian’s assistant robot was googly eyes. A company called Futurice built a robot for …read more (https://hackaday.com/2019/09/17/your-next-robot-needs-googly-eyes-and-other-lessons-from-disney/)
Keeping Clocks On Time, The Swiss Way
https://hackaday.com/2019/09/17/keeping-clocks-on-time-the-swiss-way/
Could there be a worse fate for a guy with a Swiss accent than to be subjected to a clock that’s seconds or even – horrors! – minutes off the correct time? Indeed not, which is why [The Guy With the Swiss Accent] went to great lengths to keep his …read more (https://hackaday.com/2019/09/17/keeping-clocks-on-time-the-swiss-way/)
https://hackaday.com/2019/09/17/keeping-clocks-on-time-the-swiss-way/
Could there be a worse fate for a guy with a Swiss accent than to be subjected to a clock that’s seconds or even – horrors! – minutes off the correct time? Indeed not, which is why [The Guy With the Swiss Accent] went to great lengths to keep his …read more (https://hackaday.com/2019/09/17/keeping-clocks-on-time-the-swiss-way/)
Pizza Oven Build Exercises Forgotten Gym Ball
https://hackaday.com/2019/09/18/pizza-oven-build-exercises-forgotten-gym-ball/
See, this is what happens when pizza lovers follow their dreams. It probably started innocently enough for [phammy57]—he got a pizza stone, then maybe one of those big rocking pizza cutters. Maybe he even learned how to toss the dough high in the air. But every time [phammy57] slid one …read more (https://hackaday.com/2019/09/18/pizza-oven-build-exercises-forgotten-gym-ball/)
https://hackaday.com/2019/09/18/pizza-oven-build-exercises-forgotten-gym-ball/
See, this is what happens when pizza lovers follow their dreams. It probably started innocently enough for [phammy57]—he got a pizza stone, then maybe one of those big rocking pizza cutters. Maybe he even learned how to toss the dough high in the air. But every time [phammy57] slid one …read more (https://hackaday.com/2019/09/18/pizza-oven-build-exercises-forgotten-gym-ball/)
Arduino, Accelerometer, and TensorFlow Make You a Real-World Street Fighter
https://hackaday.com/2019/09/18/arduino-accelerometer-and-tensorflow-make-you-a-real-world-street-fighter/
A question: if you’re controlling the classic video game Street Fighter with gestures, aren’t you just, you know, street fighting?
That’s a question [Charlie Gerard] is going to have to tackle should her AI gesture-recognition controller experiments take off. [Charlie] put together the game controller to learn more about the …read more (https://hackaday.com/2019/09/18/arduino-accelerometer-and-tensorflow-make-you-a-real-world-street-fighter/)
https://hackaday.com/2019/09/18/arduino-accelerometer-and-tensorflow-make-you-a-real-world-street-fighter/
A question: if you’re controlling the classic video game Street Fighter with gestures, aren’t you just, you know, street fighting?
That’s a question [Charlie Gerard] is going to have to tackle should her AI gesture-recognition controller experiments take off. [Charlie] put together the game controller to learn more about the …read more (https://hackaday.com/2019/09/18/arduino-accelerometer-and-tensorflow-make-you-a-real-world-street-fighter/)
What’s in a Name? Tales of Python, Perl, and The GIMP
https://hackaday.com/2019/09/18/whats-in-a-name-tales-of-python-perl-and-the-gimp/
In the older days of open source software, major projects tended to have their Benevolent Dictators For Life who made all the final decisions, and some mature projects still operate that way. Guido van Rossum famously called his language “Python” because he liked the British comics of the same name. …read more (https://hackaday.com/2019/09/18/whats-in-a-name-tales-of-python-perl-and-the-gimp/)
https://hackaday.com/2019/09/18/whats-in-a-name-tales-of-python-perl-and-the-gimp/
In the older days of open source software, major projects tended to have their Benevolent Dictators For Life who made all the final decisions, and some mature projects still operate that way. Guido van Rossum famously called his language “Python” because he liked the British comics of the same name. …read more (https://hackaday.com/2019/09/18/whats-in-a-name-tales-of-python-perl-and-the-gimp/)
Superbly Synchronized Servos Swaying Softly
https://hackaday.com/2019/09/18/superbly-synchronized-servos-swaying-softly/
LEDs and blinky projects are great, and will likely never fade from our favor. But would you look at this sweeping beauty? This mesmerizing display is made from 36 micro servos with partial Popsicle sticks pasted on the arms. After seeing a huge display with 450 servos at an art …read more (https://hackaday.com/2019/09/18/superbly-synchronized-servos-swaying-softly/)
https://hackaday.com/2019/09/18/superbly-synchronized-servos-swaying-softly/
LEDs and blinky projects are great, and will likely never fade from our favor. But would you look at this sweeping beauty? This mesmerizing display is made from 36 micro servos with partial Popsicle sticks pasted on the arms. After seeing a huge display with 450 servos at an art …read more (https://hackaday.com/2019/09/18/superbly-synchronized-servos-swaying-softly/)
Tool Rolls, The Fabric Design Challenge That Can Tidy Up Any Workshop
https://hackaday.com/2019/09/18/tool-rolls-the-fabric-design-challenge-that-can-tidy-up-any-workshop/
You’ve designed PCBs. You’ve cut, drilled, Dremeled, and blow-torched various objects into project enclosurehood. You’ve dreamed up some object in three dimensions and marveled as the machine stacked up strings of hot plastic, making that object come to life one line of g-code at a time. But have you ever …read more (https://hackaday.com/2019/09/18/tool-rolls-the-fabric-design-challenge-that-can-tidy-up-any-workshop/)
https://hackaday.com/2019/09/18/tool-rolls-the-fabric-design-challenge-that-can-tidy-up-any-workshop/
You’ve designed PCBs. You’ve cut, drilled, Dremeled, and blow-torched various objects into project enclosurehood. You’ve dreamed up some object in three dimensions and marveled as the machine stacked up strings of hot plastic, making that object come to life one line of g-code at a time. But have you ever …read more (https://hackaday.com/2019/09/18/tool-rolls-the-fabric-design-challenge-that-can-tidy-up-any-workshop/)
Smart Thermometer Probes First, Asks Questions Later
https://hackaday.com/2019/09/18/smart-thermometer-probes-first-asks-questions-later/
As flu season encroaches upon the northern hemisphere, doctor’s offices and walk-in clinics will be filled to capacity with phlegm-y people asking themselves that age-old question: is it the flu, or just a little cold? If only they all had smart thermometers at home that can tell the difference.
Typically, …read more (https://hackaday.com/2019/09/18/smart-thermometer-probes-first-asks-questions-later/)
https://hackaday.com/2019/09/18/smart-thermometer-probes-first-asks-questions-later/
As flu season encroaches upon the northern hemisphere, doctor’s offices and walk-in clinics will be filled to capacity with phlegm-y people asking themselves that age-old question: is it the flu, or just a little cold? If only they all had smart thermometers at home that can tell the difference.
Typically, …read more (https://hackaday.com/2019/09/18/smart-thermometer-probes-first-asks-questions-later/)
Stunning 4-Cylinder Solenoid Motor Should Be A Hit With Subaru Fans
https://hackaday.com/2019/09/18/stunning-4-cylinder-solenoid-motor-should-be-a-hit-with-subaru-fans/
As far as electric propulsion is concerned, the vast majority of applications make use of some kind of rotational motor. Be it induction, universal, brushed or brushless, these are the most efficient ways we have to do mechanical work with electricity. There are other, arcane methods, though – ones which …read more (https://hackaday.com/2019/09/18/stunning-4-cylinder-solenoid-motor-should-be-a-hit-with-subaru-fans/)
https://hackaday.com/2019/09/18/stunning-4-cylinder-solenoid-motor-should-be-a-hit-with-subaru-fans/
As far as electric propulsion is concerned, the vast majority of applications make use of some kind of rotational motor. Be it induction, universal, brushed or brushless, these are the most efficient ways we have to do mechanical work with electricity. There are other, arcane methods, though – ones which …read more (https://hackaday.com/2019/09/18/stunning-4-cylinder-solenoid-motor-should-be-a-hit-with-subaru-fans/)
Tiny Woodshop Is Packed With Space-Saving Hacks
https://hackaday.com/2019/09/18/tiny-woodshop-is-packed-with-space-saving-hacks/
Fair warning: once you’ve watched [Stephen]’s tiny workshop tour, you will officially be out of excuses for why you need to expand your workshop. And, once you see his storage and organization hacks, you’ll be shamed into replicating some in whatever space you call home.
[Stephen]’s woodshop is a cozy …read more (https://hackaday.com/2019/09/18/tiny-woodshop-is-packed-with-space-saving-hacks/)
https://hackaday.com/2019/09/18/tiny-woodshop-is-packed-with-space-saving-hacks/
Fair warning: once you’ve watched [Stephen]’s tiny workshop tour, you will officially be out of excuses for why you need to expand your workshop. And, once you see his storage and organization hacks, you’ll be shamed into replicating some in whatever space you call home.
[Stephen]’s woodshop is a cozy …read more (https://hackaday.com/2019/09/18/tiny-woodshop-is-packed-with-space-saving-hacks/)
Hackable Ham Radio Multitool Contributes To Long Term Survival Of The Hobby
https://hackaday.com/2019/09/18/hackable-ham-radio-multitool-contributes-to-long-term-survival-of-the-hobby/
Ham radio, especially the HF bands, can be intimidating for aspiring operators, many being put off by the cost of equipment. The transceiver itself is only part of the equation and proper test and measurement equipment can easily add hundreds of dollars to the bill. However, such equipment goes a …read more (https://hackaday.com/2019/09/18/hackable-ham-radio-multitool-contributes-to-long-term-survival-of-the-hobby/)
https://hackaday.com/2019/09/18/hackable-ham-radio-multitool-contributes-to-long-term-survival-of-the-hobby/
Ham radio, especially the HF bands, can be intimidating for aspiring operators, many being put off by the cost of equipment. The transceiver itself is only part of the equation and proper test and measurement equipment can easily add hundreds of dollars to the bill. However, such equipment goes a …read more (https://hackaday.com/2019/09/18/hackable-ham-radio-multitool-contributes-to-long-term-survival-of-the-hobby/)
WiringPi Library To Be Deprecated
https://hackaday.com/2019/09/18/wiringpi-library-to-be-deprecated/
Since the release of the original Raspberry Pi single board computer, the WiringPi library by [Gordon] has been the easy way to interface with the GPIO and peripherals – such as I2C and SPI – on the Broadcom SoCs which power these platforms. Unfortunately, [Gordon] is now deprecating the library, …read more (https://hackaday.com/2019/09/18/wiringpi-library-to-be-deprecated/)
https://hackaday.com/2019/09/18/wiringpi-library-to-be-deprecated/
Since the release of the original Raspberry Pi single board computer, the WiringPi library by [Gordon] has been the easy way to interface with the GPIO and peripherals – such as I2C and SPI – on the Broadcom SoCs which power these platforms. Unfortunately, [Gordon] is now deprecating the library, …read more (https://hackaday.com/2019/09/18/wiringpi-library-to-be-deprecated/)