hackaday @hackaday@botsin.space

How Early Radio Receivers Worked

If you’ve ever built a crystal radio, there’s something magical about being able to pull voices and music from far away out of thin air. If you haven’t built one, maybe you should while there’s still something on the AM … https://hackaday.com/2020/07/10/how-early-radio-receivers-worked/

Original tweet : https://twitter.com/hackaday/status/1281640886032568321

Hackaday Podcast 075: 3D Printing Japanese Joinery, Android PHONK, One-Armed Time Bandit, and Whistling Bridges

Hackaday editors Mike Szczys and Elliot Williams scoop up a basket of great hacks from the past week. Be amazed by the use of traditional Jap… https://hackaday.com/2020/07/10/hackaday-podcast-075-3d-printing-japanese-joinery-android-phonk-one-armed-time-bandit-and-whistling-bridges/

Original tweet : https://twitter.com/hackaday/status/1281625809749520384

Steampunk Geiger Counter is a Mix of Art and Science

It took nearly a year for [Chris Crocker-White] to assemble this glorious mahogany and brass Geiger counter, but we think you’ll agree with us that it was time well spent. From the servo-actuated coun… https://hackaday.com/2020/07/10/steampunk-geiger-counter-is-a-mix-of-art-and-science/

Original tweet : https://twitter.com/hackaday/status/1281625808126304257

RT from Tindie Maker Marketplace (@tindie)

Game Boy Advance SP USB-C Charging Port #Tindieblog https://blog.tindie.com/2020/07/game-boy-advance-sp-usb-c-charging-port/

Original tweet : https://twitter.com/tindie/status/1281623091366572032

This Week in Security: F5, Novel Ransomware, Freta, and Database Woes

The big story of the last week is a problem in F5’s BIG-IP devices. A rather trivial path traversal vulnerability allows an unauthenticated user to call endpoints that are intended to… https://hackaday.com/2020/07/10/this-week-in-security-f5-novel-ransomware-freta-and-database-woes/

Original tweet : https://twitter.com/hackaday/status/1281595571741036544

It's time for the weekly @balena_io IoT Happy Hour!

Fridays at 4pm UTC / 12pm EDT

Join → http://ed.gr/ck19d

Original tweet : https://twitter.com/hackaday/status/1281558804744871936

Making PCBs the Easy Way

Building a PCB at home can be frought. If you’re etching, there are chemicals and the nuances of toner transfer. If you’re milling, getting the surface height just right, and not breaking those pointy little v-cutters is always … https://hackaday.com/2020/07/10/making-pcbs-the-easy-way/

Original tweet : https://twitter.com/hackaday/status/1281550267910098944

An NEC V20 For Two Processors In One SBC

In the days when the best an impoverished student could hope to find in the way of computing was a cast-off 1980s PC clone, one upgrade was to fit an NEC V20 or V30 processor in place of the Intel 8088 or 8086. W… https://hackaday.com/2020/07/10/an-nec-v20-for-two-processors-in-one-sbc/

Original tweet : https://twitter.com/hackaday/status/1281504938443583488

A Wearable that Jives to the Beat of Your Heart

We’re always searching for the coolest biohacking projects all over the web, so imagine our excitement when we ran across [marcvila333’s] wearable biometric monitor on Instructables. This was a combined ef… https://hackaday.com/2020/07/09/a-wearable-that-jives-to-the-beat-of-your-heart/

Original tweet : https://twitter.com/hackaday/status/1281459664174100482

EasyOCR makes OCR, Well, Easy

Working on embedded systems used to be easier. You had a microcontroller and maybe a few pieces of analog or digital I/O, and perhaps communications might be a serial port. Today, you have systems with networks and cameras … https://hackaday.com/2020/07/09/easyocr-makes-ocr-well-easy/

Original tweet : https://twitter.com/hackaday/status/1281414429914083329

Interesting in learning more about KiCad + FreeCAD? Join the HackadayU: KiCad + FreeCAD Class, with instructor @anool!

Join now! → http://ed.gr/cj7qz

Original tweet : https://twitter.com/hackaday/status/1281407998808793093

3D Printing a Macro Pad, Switches and All

Building a macro pad inside of a 3D printed enclosure is hardly news these days. Neither is adding 3D printed keycaps to the mix. But if you go as far as [James Stanley] has, and actually print the switches them… https://hackaday.com/2020/07/09/3d-printing-a-macro-pad-switches-and-all/

Original tweet : https://twitter.com/hackaday/status/1281369101571633152

Robotic Cornhole Board Does the Electric Slide

There’s a reason why bowling lanes have bumpers and golf games have mulligans. Whether you’re learning a new game or sport, or have known for years how to play but still stink at it, everyone can use some h… https://hackaday.com/2020/07/09/robotic-cornhole-board-does-the-electric-slide/

Original tweet : https://twitter.com/hackaday/status/1281323819131641863

Congratulations to the engineers and designers selected for the first-ever #HackadayPrize Dream Teams!

They will develop solutions for #nonprofit partners over a two-month #engineering sprint.

Learn More --> https://bit.ly/3fhA9Px
@Supplyframe @digikey @MicrochipTech @Arm

Original tweet : https://twitter.com/hackaday/status/1281320155176300544

Tablet Oscilloscope Claims 100 MHz, But Is It?

[LearnElectronics] grabbed a FNIRSI tablet oscilloscope from a vendor from China. The device has a seven-inch touchscreen and claims to be a two-channel 100 MHz scope. But is it? Watch the video below and y… https://hackaday.com/2020/07/09/tablet-oscilloscope-claims-100-mhz-but-is-it/

Original tweet : https://twitter.com/hackaday/status/1281308673911009280

A low-cost CNC with broad capabilities and low storage volume.

Learn more: http://ed.gr/cmnkk

Original tweet : https://twitter.com/hackaday/status/1281302310216482823

Video: Bil Herds Looks at Mitosis

I loved my science courses when I was in Junior High School; we leaned to make batteries, how molecules combine to form the world we see around us, and basically I got a picture of where we stood in the  scheme of thing… https://hackaday.com/2020/07/09/video-bil-herds-looks-at-mitosis/

Original tweet : https://twitter.com/hackaday/status/1281278520325558272

Turning a Waterjet Cutter into a Wood Lathe, For No Reason

On the shortlist of dream tools for most metalworkers is a waterjet cutter, a CNC tool that uses insanely high-pressure water mixed with abrasive grit to blast sheet metal into intricate shapes.… https://hackaday.com/2020/07/09/turning-a-waterjet-cutter-into-a-wood-lathe-for-no-reason/

Original tweet : https://twitter.com/hackaday/status/1281263399175950338

Join @SupplyframeDL on Thursday, July 9th on IG live for an afternoon of some modular synth magic.

Featuring live Q&A with Music and Sound Design Engineer, @AdrianDFreed1 & live modular performance by artist Marta SmiLga, asterisk untitled.
http://ed.gr/cmowp

Original tweet : https://twitter.com/hackaday/status/1281241931637567489

The Simplest TS100 Upgrade Leads Down A Cable Testing Rabbit Hole

By now, I must have had my Miniware TS100 soldering iron for nearly three years. It redefined what could be expected from the decent end of the budget soldering iron spectrum when it came… https://hackaday.com/2020/07/09/the-simplest-ts100-upgrade-leads-down-a-cable-testing-rabbit-hole/

Original tweet : https://twitter.com/hackaday/status/1281233260681613312