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A Raspberry Pi 4 Video Streaming Backpack
https://hackaday.com/2019/09/27/a-raspberry-pi-4-video-streaming-backpack/

Were you aware that there’s a market for backpack-housed live streaming video systems, and that they can cost as much as $1600? Apparently these things are popular with social media moguls who want to stream themselves living their fabulous lives to people sitting at home watching on YouTube or Twitch. …read more (https://hackaday.com/2019/09/27/a-raspberry-pi-4-video-streaming-backpack/)
A CIA In 74HCT
https://hackaday.com/2019/09/28/a-cia-in-74hct/

If you owned a classic Commodore home computer you might not have known it at the time, but it would have contained a versatile integrated circuit called the MOS6526. This so-called CIA chip, for Complex Interface Adaptor, contained parallel and serial ports, timers, and a time-of-day counter. Like so many …read more (https://hackaday.com/2019/09/28/a-cia-in-74hct/)
Dual Screen Laptop Is A Slick DIY Build
https://hackaday.com/2019/09/28/dual-screen-laptop-is-a-slick-diy-build/

Laptops are great for portable productivity, but ergonomically they can leave something to be desired. They tend to force the user to look down, creating neck strain over extended periods. Rather than invest in expensive massages, [DIY Perks] decided what he really wanted was a dual screen laptop. So he …read more (https://hackaday.com/2019/09/28/dual-screen-laptop-is-a-slick-diy-build/)
3D Printing is Transformative Experience for Airgun Shooter
https://hackaday.com/2019/09/28/3d-printing-is-transformative-experience-for-airgun-shooter/

It’s interesting to peek into other scenes and niches and see how they intersect with things that one may find commonplace, like 3D printing. In this case, [NewToOldGuns] wrote a guest blog post for PyramydAir (a retailer, so be prepared for a lot of product links) about how 3D printing …read more (https://hackaday.com/2019/09/28/3d-printing-is-transformative-experience-for-airgun-shooter/)
Tiny ESP32 Fits inside USB-A Connector
https://hackaday.com/2019/09/28/tiny-esp32-fits-inside-usb-a-connector/

The ESP32 was introduced a few years ago as an inexpensive way to outfit various microcontrollers with WiFi or Bluetooth. Since then it has been experimented with and developed on, thanks to its similarities to the ESP8266 and the ability to easily program it. Watching the development of this small …read more (https://hackaday.com/2019/09/28/tiny-esp32-fits-inside-usb-a-connector/)
Lighting the Way for the Visually Impaired
https://hackaday.com/2019/09/28/lighting-the-way-for-the-visually-impaired/

The latest creation from Bengali roboticist [nabilphysics] might sound familiar. His laser-augmented glove gives users the ability to detect objects horizontally in front of them, much like a cane or pole is used by the visually impaired to navigate through a physical space.
As a stand in for the physical …read more (https://hackaday.com/2019/09/28/lighting-the-way-for-the-visually-impaired/)
Arduino Wire Bender Probably Won’t Kill All Humans
https://hackaday.com/2019/09/28/arduino-wire-bender-probably-wont-kill-all-humans/

Do you want to make your own springs? Yeah, that’s what we thought. Well, blow the dust off of that spare Arduino and keep reading. A few months ago, we let you know that renowned circuit sculptor [Jiří Praus] was working on a precision wire-bending machine to help him hone …read more (https://hackaday.com/2019/09/28/arduino-wire-bender-probably-wont-kill-all-humans/)
Maps to SMS, When You’re Really Far Away
https://hackaday.com/2019/09/28/maps-to-sms-when-youre-really-far-away/

GPS is available on most smart phones, which is all well and good unless you drive out into a place with weak service. Unless you want to go into the before-time and buy a standalone GPS (and try to update the maps every so often) or go even further back …read more (https://hackaday.com/2019/09/28/maps-to-sms-when-youre-really-far-away/)
Chinese Radio Telescope Hopes to Find Exoplanets FAST
https://hackaday.com/2019/09/28/chinese-radio-telescope-hopes-to-find-exoplanets-fast/

People who enjoy radio are constantly struggling to find a place to erect a bigger and better antenna. Of course it’s a different story and the most hardcore end of the spectrum: radio astronomers. The Chinese are ready to open up a new radio telescope called FAST (Five-hundred-meter Aperture Spherical …read more (https://hackaday.com/2019/09/28/chinese-radio-telescope-hopes-to-find-exoplanets-fast/)
DIY Thermal Imager Uses DIY Gaussian Blur
https://hackaday.com/2019/09/29/diy-thermal-imager-uses-diy-gaussian-blur/

Under the right circumstances, Gaussian blurring can make an image seem more clearly defined. [DZL] demonstrates exactly this with a lightweight and compact Gaussian interpolation routine to make the low-resolution thermal sensor data display much better on a small OLED.
[DZL] used an MLX90640 sensor to create a DIY thermal …read more (https://hackaday.com/2019/09/29/diy-thermal-imager-uses-diy-gaussian-blur/)
This Word Clock Has Dirty Alphanumeric Mouth
https://hackaday.com/2019/09/29/this-word-clock-has-dirty-alphanumeric-mouth/

Clocks which use words to tell the time in place of numbers are an increasingly popular hacker project, but we have to admit that before seeing this gorgeous clock from [Mitch Feig], we didn’t realize how badly we wanted to see one that could curse like a sailor.
But don’t …read more (https://hackaday.com/2019/09/29/this-word-clock-has-dirty-alphanumeric-mouth/)
The Price of Domestic Just In Time Manufacturing
https://hackaday.com/2019/09/29/the-price-of-domestic-just-in-time-manufacturing/

Hardware is hard, manufacturing only happens in China, accurate pricing is a dark art. Facts which are Known To Be True. And all things which can be hard to conquer as an independent hardware company, especially if you want to subvert the tropes. You may have heard of [Spencer Wright] …read more (https://hackaday.com/2019/09/29/the-price-of-domestic-just-in-time-manufacturing/)
Probe the Galaxy on a Shoestring with this DIY Hydrogen-Line Telescope
https://hackaday.com/2019/09/29/probe-the-galaxy-on-a-shoestring-with-this-diy-hydrogen-line-telescope/

Foil-lined foam insulation board, scraps of lumber, and a paint-thinner can hardly sound like the tools of a radio astronomer. But when coupled with an SDR, a couple of amplifiers, and a fair amount of trial-and-error tweaking, it’s possible to build your own hydrogen-line radio telescope and use it to …read more (https://hackaday.com/2019/09/29/probe-the-galaxy-on-a-shoestring-with-this-diy-hydrogen-line-telescope/)
Upgrading a MIDI Controller with an FPGA
https://hackaday.com/2019/09/29/upgrading-a-midi-controller-with-an-fpga/

While the “M” in MIDI stands for “musical”, it’s possible to use this standard for other things as well. [s-ol] has been working on a VJ setup (mixing video instead of music) using various potentiometer-based hardware and MIDI to interface everything together. After becoming frustrated with drift in the potentiometers, …read more (https://hackaday.com/2019/09/29/upgrading-a-midi-controller-with-an-fpga/)
Hackaday Links: September 29, 2019
https://hackaday.com/2019/09/29/hackaday-links-september-29-2019/

In a sure sign that we’ve arrived in the future, news from off-world is more interesting this week than Earth news. When the InSight probe landed on Mars last year, it placed the first operating magnetometer on the Red Planet. Since then, the sensitive instrument has been logging data about …read more (https://hackaday.com/2019/09/29/hackaday-links-september-29-2019/)
Pie Face Game Rigged to Throw Pie at Anyone But You
https://hackaday.com/2019/09/29/pie-face-game-rigged-to-throw-pie-at-anyone-but-you/

Pie Face is a game that does pretty much what you’d expect from the title. Players sit in front of a spring loaded arm, taking turns to twist a crank. Eventually, one unlucky player will release the arm and be splattered with whipped cream to the enjoyment of the group. …read more (https://hackaday.com/2019/09/29/pie-face-game-rigged-to-throw-pie-at-anyone-but-you/)
USB Armory MkII: A USB-C Thumb Drive Based Linux Computer for Pentesters
https://hackaday.com/2019/09/29/usb-armory-mkii-a-usb-c-thumb-drive-based-linux-computer-for-pentesters/

While it might look like a disrobed flash drive or RTL-SDR dongle, the USB Armory Mk II is actually a full-fledged open hardware computer built into the ubiquitous USB “stick” format. But more than just that, it’s optimized for security research and boasts a list of features that are sure …read more (https://hackaday.com/2019/09/29/usb-armory-mkii-a-usb-c-thumb-drive-based-linux-computer-for-pentesters/)
The Clickspring Playing Card Press is a Work of Art
https://hackaday.com/2019/09/30/the-clickspring-playing-card-press-is-a-work-of-art/

We have no idea what a playing card press is, nor do we care. All we know is that after watching [Chris] from Clickspring make his playing card press, we want it.
Digging a little deeper, [Chris] offered to make this card press for [Chris Ramsay], a magician who specializes …read more (https://hackaday.com/2019/09/30/the-clickspring-playing-card-press-is-a-work-of-art/)
Using PoE With A Raspberry Pi 3 For About Two Bucks
https://hackaday.com/2019/09/30/using-poe-with-a-raspberry-pi-3-for-about-two-bucks/

When the Raspberry Pi 3 Model B+ was announced in March of 2018, one of its new features was the ability to be (more easily) powered via Power-over-Ethernet (PoE), with an official PoE HAT for the low price of just twenty-one USA bucks. The thing also almost worked as intended …read more (https://hackaday.com/2019/09/30/using-poe-with-a-raspberry-pi-3-for-about-two-bucks/)
What On Earth Is A Pickle Fork And Why Is it Adding to Boeing’s 737 Woes?
https://hackaday.com/2019/09/30/what-on-earth-is-a-pickle-fork-and-why-is-it-adding-to-boeings-737-woes/

It’s fair to say that 2019 has not been a good year for the aircraft manufacturer Boeing, as its new 737 MAX aircraft has been revealed to contain a software fault that could cause the aircraft to enter a dive and crash. Now stories are circulating of another issue with …read more (https://hackaday.com/2019/09/30/what-on-earth-is-a-pickle-fork-and-why-is-it-adding-to-boeings-737-woes/)