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Electronics - Blog Posts
Midcentury Family Room - Family Room
Large open concept game room with a media wall in the mid-century style
Kisah kedua Hero ini sedang melakukan pertempuran yang sengit dan pada akhirnya mereka berdua saling berpisah satu sama lain. lain hal nya dengan mengakhiri hidupnya dan selama di pertandingan tsb.gusion rela akan pergi untuk selamanya dari Layla .. ending yang sangat mengharukan 🇮🇩
hey tumblr!! I uh haven’t posted my art in forever ;_; sorry abt that
Anyway…
Here’s my TV head cosplay!!!
(aka what I’ve been working on)
I built everything myself, from modeling and 3D printing the box, to wiring and animating the screens! I used @min-play ‘s wonderful tutorial for the coding and soldering!
if this gets enough notes ill make an in depth tutorial on how I made it! :] 👍
characters based on computers/electronics!!!1!
Hi! :D 👋 I haven’t posted in a while but istg I’m cooking up something you guys couldn’t even imagine anyway in the mean time have this :3
doing the worst soldering job of my life rn wish me luck 👍
not me tryna fix my old ass headphones 💀 they’re expensive tho so I’m giving it a shot
Testing the CNY70 reflective optical sensor as a digital input for a PIC16F887 microcontroller.
Today I made this project, basically a DS3231 Real Time Clock conected to a microcontroller wich reads the data and displays it in a LCD screen.Now the goal is to edit the code to add the option of selecting a time of the day to activate a port so it can be used as an alarm clock or activate a device at a specific time, my idea is to use it to wire it to a motor so it rotates the window blinds in my room.
Just bought a bunch of electronics for my projects!
1- Pickit 3: a microcontroller programer
2- The base to connect the microcontroller
3- The cable to connect all that to my computer
4- An RFID reader/writer, this is uses the cards and keychain in the left, it wends then a signal reads their internal circuit for their ID, so it can be used like a digital key to activate whatever.
5- A real time clock, for like when you want your device to act at a certain hour.
6- An ultrasound sensor for measuring distances
7- Five optical sensors, this are used for line following robots.
Project time!
So for some time now I've had an idea of an usb extension that lets you choose between two usb ports using a switch.
So I started taking measurements and making the design:
Then I actually made the thing, I would have loved to make it on a PCB for it to be more sturdy and reliable but that’s not suitable for me at the moment, so I just soldered some cables (what a mess) and now it’s time to test it.
After some adjustments a resoldering it works just fine and I have a functional prototype that I hope does not burn my computer.
So, the switch selects which USB port receives power. That way, when on the left it activates the left port:
And when in the right it reads the right port:
The Usb on the left has a solid black image and the one on the right a solid white.
It works so only the selected Usb port is the one that works.
What to do if you burn your microcontroler during finals week
Cry.
Way to go, dumbass
Project: an ECG reader with operational amplifiers.
I still have to test it
This was my first CD. Back in the day, I saved my pennies to buy a CD player. The prices had recently dropped, and were now down somewhere around $300. (At a time when minimum wage was $3.35/hr. It took a lot of saving.) I bought the player, only to realize that I had spent pretty much all my money and had nothing left to buy any CDs to play on it. The shop manager seemed to notice the dilemma and offered me a free CD from the rack, and I instantly grabbed Oxygene. I had several Jarre records, but not this one. It's been more than 40 years, and I still have the CD. I ended up buying a lot of CDs from that shop...
Jean Michel Jarre, Oxygene, 1977
Cover by Michel Granger
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i love living in the future
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All those maths teachers who used to remind us that “You won’t be walking around with a calculator in your pocket all the time” must be feeling pretty embarrassed now that everyone has a smart phone.
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Five Things You Need to Know About the Deep Space Atomic Clock
We are set to send a new technology to space that will change the way we navigate spacecraft — even how we’ll send astronauts to Mars and beyond. Built by our Jet Propulsion Laboratory in Pasadena, California, the Deep Space Atomic Clock is a technology demonstration that will help spacecraft navigate autonomously. No larger than a toaster oven, the instrument will be tested in Earth orbit for one year, with the goal of being ready for future missions to other worlds.
Here are five key facts to know about our Deep Space Atomic Clock:
1) It works a lot like GPS
The Deep Space Atomic Clock is a sibling of the atomic clocks you interact with every day on your smart phone. Atomic clocks aboard satellites enable your phone’s GPS application to get you from point A to point B by calculating where you are on Earth, based on the time it takes the signal to travel from the satellite to your phone.
But spacecraft don’t have GPS to help them find their way in deep space; instead, navigation teams rely on atomic clocks on Earth to determine location data. The farther we travel from Earth, the longer this communication takes. The Deep Space Atomic Clock is the first atomic clock designed to fly onboard a spacecraft that goes beyond Earth’s orbit, dramatically improving the process.
2) It will help our spacecraft navigate autonomously
Today, we navigate in deep space by using giant antennas on Earth to send signals to spacecraft, which then send those signals back to Earth. Atomic clocks on Earth measure the time it takes a signal to make this two-way journey. Only then can human navigators on Earth use large antennas to tell the spacecraft where it is and where to go.
If we want humans to explore the solar system, we need a better, faster way for the astronauts aboard a spacecraft to know where they are, ideally without needing to send signals back to Earth. A Deep Space Atomic Clock on a spacecraft would allow it to receive a signal from Earth and determine its location immediately using an onboard navigation system.
3) It loses only 1 second in 9 million years
Any atomic clock has to be incredibly precise to be used for this kind of navigation: A clock that is off by even a single second could mean the difference between landing on Mars and missing it by miles. In ground tests, the Deep Space Atomic Clock proved to be up to 50 times more stable than the atomic clocks on GPS satellites. If the mission can prove this stability in space, it will be one of the most precise clocks in the universe.
4) It keeps accurate time using mercury ions
Your wristwatch and atomic clocks keep time in similar ways: by measuring the vibrations of a quartz crystal. An electrical pulse is sent through the quartz so that it vibrates steadily. This continuous vibration acts like the pendulum of a grandfather clock, ticking off how much time has passed. But a wristwatch can easily drift off track by seconds to minutes over a given period.
An atomic clock uses atoms to help maintain high precision in its measurements of the quartz vibrations. The length of a second is measured by the frequency of light released by specific atoms, which is same throughout the universe. But atoms in current clocks can be sensitive to external magnetic fields and temperature changes. The Deep Space Atomic Clock uses mercury ions - fewer than the amount typically found in two cans of tuna fish - that are contained in electromagnetic traps. Using an internal device to control the ions makes them less vulnerable to external forces.
5) It will launch on a SpaceX Falcon Heavy rocket
The Deep Space Atomic Clock will fly on the Orbital Test Bed satellite, which launches on the SpaceX Falcon Heavy rocket with around two dozen other satellites from government, military and research institutions. The launch is targeted for June 24, 2019 from NASA’s Kennedy Space Center in Florida and will be live-streamed here: https://www.nasa.gov/live
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.
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Take photos and videos underwater with your phone. 📸
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When the school computers don’t work again
http://www.nairaland.com/4190166/electronics-laptops-mobile-phones-top
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At least now we know why. But was it really worth it?
Project finished. Using 2 6SN7GT tubes. It can use plug-in coils from the original Knight Radio kit. (Thanks to a socket found at a recent hamfest)
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