Circuit Challenge: Two Transistor 3.3V Regulator
https://hackaday.com/2017/11/04/circuit-challenge-two-transistor-3-3v-regulator/
https://hackaday.com/2017/11/04/circuit-challenge-two-transistor-3-3v-regulator/
Hackaday
Circuit Challenge: Two Transistor 3.3V Regulator
[Kevin Darrah] wanted to make a simple 3.3V regulator without using an integrated circuit. He wound up using two common NPN transistors and 4 1K resistors. The circuit isn’t going to beat out…
Sable-Machined Slingshot is a Composite Marvel
https://hackaday.com/2017/11/04/sable-machined-slingshot-is-a-composite-marvel/
https://hackaday.com/2017/11/04/sable-machined-slingshot-is-a-composite-marvel/
Hackaday
Sable-Machined Slingshot is a Composite Marvel
Armed with an overseas CNC machine retrofitted with custom electronics, [Eric] has taken to wowing us with his suite of home-fabricated slingshots. In a more recent stint, he’s just polished …
Freakishly Agile Crawler Rocks All-LEGO Mechanum Wheels
https://hackaday.com/2017/11/04/freakishly-agile-crawler-rocks-all-lego-mechanum-wheels/
https://hackaday.com/2017/11/04/freakishly-agile-crawler-rocks-all-lego-mechanum-wheels/
Hackaday
Freakishly Agile Crawler Rocks All-LEGO Mechanum Wheels
Mechanum wheels are great, but you have to have them perfectly alined or they come across a little clunky, giving your robot a herky-jerky movement. Robotics educator and supreme LEGO builder [Yosh…
DIY Multi-Touch All the Surfaces
https://hackaday.com/2017/11/04/diy-multi-touch-all-the-surfaces/
https://hackaday.com/2017/11/04/diy-multi-touch-all-the-surfaces/
Hackaday
DIY Multi-Touch All the Surfaces
Ever wanted to build a touch table or other touch-input project, but got stuck figuring out the ‘touch’ part? [Jean Perardel] has your back with his multi-touch frame over on IO that ma…
Measuring Airflow in an HVAC System
https://hackaday.com/2017/11/04/measuring-airflow-in-an-hvac-system/
https://hackaday.com/2017/11/04/measuring-airflow-in-an-hvac-system/
Hackaday
Measuring Airflow in an HVAC System
[Nubmian] wrote in to share his experiments with measuring airflow in an HVAC system. His first video deals with using with ultrasonic sensors. He found an interesting white paper that described me…
What Would Sherlock Print, If Sherlock Printed In SLA Resin?
https://hackaday.com/2017/11/05/what-would-sherlock-print-if-sherlock-printed-in-sla-resin/
https://hackaday.com/2017/11/05/what-would-sherlock-print-if-sherlock-printed-in-sla-resin/
Hackaday
What Would Sherlock Print, If Sherlock Printed In SLA Resin?
Resin printing — or more appropriately, stereolithography apparatus printing — is a costly but cool 3D printing process. [Evan] from [Model3D] wondered if it was possible to produce a p…
Repair Job Fixes Compressor, Gets in Online
https://hackaday.com/2017/11/05/repair-job-fixes-compressor-gets-in-online/
https://hackaday.com/2017/11/05/repair-job-fixes-compressor-gets-in-online/
Hackaday
Repair Job Fixes Compressor, Gets it Online
We’ll never cease to be amazed at the things people try to put on the Internet of Things. Some are no-brainers, like thermostats, security cameras, and garage door openers. Others, like washi…
Mendocino Motor Drives Cubicle Conversations
https://hackaday.com/2017/11/05/mendocino-motor-drives-cubicle-conversations/
https://hackaday.com/2017/11/05/mendocino-motor-drives-cubicle-conversations/
Hackaday
Mendocino Motor Drives Cubicle Conversations
Mendocino motors are solar-powered electric motors that rely on pseudo-levitation. The levitation comes from magnets mounted on either end of the shaft, which repel same-field magnets fixed below …
Homemade LED Clock Stands Test Of Time
https://hackaday.com/2017/11/05/homemade-led-clock-stands-test-of-time/
https://hackaday.com/2017/11/05/homemade-led-clock-stands-test-of-time/
Hackaday
Homemade LED Clock Stands Test Of Time
In an era when you might get chastised if your mobile phone is more than two years old, it’s easy to forget that hardware was not always meant to be a temporary commodity. We acknowledge a fe…
Mergers and Acquisitions: Broadcom, Qualcomm, and One Hundred Billion Dollars
https://hackaday.com/2017/11/05/mergers-and-acquisitions-broadcom-qualcomm-and-one-hundred-billion-dollars/
https://hackaday.com/2017/11/05/mergers-and-acquisitions-broadcom-qualcomm-and-one-hundred-billion-dollars/
Hackaday
Mergers and Acquisitions: Broadcom, Qualcomm, and One Hundred Billion Dollars
Rumors have been circulating this last weekend of the largest semiconductor acquisition ever. Broadcom might buy Qualcomm for the princely sum of one hundred Billion dollars. You will most likely b…
Hackaday Links: Remember, Remember
https://hackaday.com/2017/11/05/hackaday-links-remember-remember/
https://hackaday.com/2017/11/05/hackaday-links-remember-remember/
Hackaday
Hackaday Links: Remember, Remember
Buckle up, buttercup because this is the last weekly Hackaday Links post you’re getting for two weeks. Why? We have a thing next weekend. The Hackaday Superconference is November 11th and 12t…
Programming an Oscilloscope Breakout Game in Pure Data
https://hackaday.com/2017/11/05/programming-an-oscilloscope-breakout-game-in-pure-data/
https://hackaday.com/2017/11/05/programming-an-oscilloscope-breakout-game-in-pure-data/
Hackaday
Programming an Oscilloscope Breakout Game in Pure Data
[S-ol] wrote in to share his sweet breakout game played on an oscilloscope. Built in a weekend as part of a game development jam, Plonat Atek is a polar breakout game where the player attacks the c…
Twin Pis for Remote Computer Management
https://hackaday.com/2017/11/05/twin-pis-for-remote-computer-management/
https://hackaday.com/2017/11/05/twin-pis-for-remote-computer-management/
Hackaday
Twin Pis for Remote Computer Management
Sometimes you have a whole bunch of computers that you need to work with, and having a keyboard, monitor, and mouse for each one becomes too much to deal with. There are a multitude of solutions to…
Turn Medical Imaging From 2D Into 3D With Just $10
https://hackaday.com/2017/11/06/turn-medical-imaging-from-2d-into-3d-with-just-10/
https://hackaday.com/2017/11/06/turn-medical-imaging-from-2d-into-3d-with-just-10/
Reverse Engineering the Nintendo Switch Joy-Cons
https://hackaday.com/2017/11/06/reverse-engineering-the-nintendo-switch-joy-cons/
https://hackaday.com/2017/11/06/reverse-engineering-the-nintendo-switch-joy-cons/
Hackaday
Reverse Engineering the Nintendo Switch Joy-Cons
The Switch is Nintendo’s latest effort in the console world. One of its unique features is the Joy-Cons, a pair of controllers that can either attach directly to the console’s screen or…
How Pure is this Cup of Joe? Coffee, Conspiracy, and Citizen Science
https://hackaday.com/2017/11/06/how-pure-is-this-cup-of-joe-coffee-conspiracy-and-citizen-science/
https://hackaday.com/2017/11/06/how-pure-is-this-cup-of-joe-coffee-conspiracy-and-citizen-science/
Hackaday
How Pure is this Cup of Joe? Coffee, Conspiracy, and Citizen Science
Have you ever thought about coffee purity? It’s more something you’d encounter with prescription or elicit drugs, but coffee is actually a rather valuable commodity. If a seller can mak…
Evil Hotspot Costume Makes Valuable Connections
https://hackaday.com/2017/11/06/evil-hotspot-costume-makes-valuable-connections/
https://hackaday.com/2017/11/06/evil-hotspot-costume-makes-valuable-connections/
Hackaday
Evil Hotspot Costume Makes Valuable Connections
This year for Hallowe’en, [Scott] went out dressed as a Comcast xfinity hotspot. Funny, yes, but there’s a deeper meaning here. [Scott] really went as a walking PSA that illustrates the…
Sferics, Whistlers, and the Dawn Chorus: Listening to Earth Music on VLF
https://hackaday.com/2017/11/06/sferics-whistlers-and-the-dawn-chorus-listening-to-earth-music-on-vlf/
https://hackaday.com/2017/11/06/sferics-whistlers-and-the-dawn-chorus-listening-to-earth-music-on-vlf/
Hackaday
Sferics, Whistlers, and the Dawn Chorus: Listening to Earth Music on VLF
We live in an electromagnetic soup, bombarded by wavelengths from DC to daylight and beyond. A lot of it is of our own making, especially further up the spectrum where wavelengths are short enough …
Hackaday Prize Entry: A Mess Of VGA On A Breadboard
https://hackaday.com/2017/11/06/hackaday-prize-entry-a-mess-of-vga-on-a-breadboard/
https://hackaday.com/2017/11/06/hackaday-prize-entry-a-mess-of-vga-on-a-breadboard/
Hackaday
Hackaday Prize Entry: A Mess Of VGA On A Breadboard
Before all our video games came over the Intertubes, before they were on CDs, and before they were on cartridges, video games were all discrete logic. Pong was the first and you can build that out …
Trainspotting with Junk, for Science
https://hackaday.com/2017/11/06/trainspotting-with-junk-for-science/
https://hackaday.com/2017/11/06/trainspotting-with-junk-for-science/
Hackaday
Trainspotting with Junk, for Science
[Douglas] hometown Goshen, Indiana takes the state’s motto ‘The Crossroads of America’ seriously, at least when it comes to trains. The city is the meeting point of three heavily …