All posts by CH

Celebrate World Water Day!! #WorldWaterDay #CleanWaterHere

A2 POSTER WWD2018 EN 01 pdf 1 page

Damaged ecosystems affect the quantity and quality of water available for human consumption. Today, 2.1 billion people live without safe drinking water at home; affecting their health, education and livelihoods.

Sustainable Development Goal 6 commits the world to ensuring that everyone has access to safe water by 2030, and includes targets on protecting the natural environment and reducing pollution.

Every March 22 is World Water Day. Today take time to consider you impact on the water cycle, get involved in an event and share your appreciation for clean water.

This years theme is Nature for Water:

Environmental damage, together with climate change, is driving the water-related crises we see around the world. Floods, drought and water pollution are all made worse by degraded vegetation, soil, rivers and lakes.

When we neglect our ecosystems, we make it harder to provide everyone with the water we need to survive and thrive.

Nature-based solutions have the potential to solve many of our water challenges. We need to do so much more with ‘green’ infrastructure and harmonize it with ‘grey’ infrastructure wherever possible. Planting new forests, reconnecting rivers to floodplains, and restoring wetlands will rebalance the water cycle and improve human health and livelihoods.

Checkout this global interactive event map and find out how you can get involved today!

Learn more at

via Adafruit

Low Poly Cat! #3DThursday #3DPrinting

AndrewSink shares:

This is a low-poly remix of Yellow Cat by BenitoSanduchi.

I used Blender to create this low poly remix, check out the video to see how I did it!

download the files on:

Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!

Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don’t forget the countless LED projects that are possible when you are modeling your projects in 3D!

The Adafruit Learning System has dozens of great tools to get you well on your way to creating incredible works of engineering, interactive art, and design with your 3D printer! If you’ve made a cool project that combines 3D printing and electronics, be sure to let us know, and we’ll feature it here!

Featured Products

via Adafruit

From the mail bag…

Mailbag animated

From the mail bag!

You guys are awesome!!! Adafruit gives me a whole new playground of cool, fun and creative possibilities.. I’m going to introduce my 11 year old daughter to these products, maybe she can start as a hobby and eventually grow a business in the long run. Wow, I’m already familiar with electronics, so it’s going to be fun and exciting learning about this creative LED world. – David

via Adafruit

3D Printed Raspberry Pi NAS with Dual Drive Bays

While it might not pack the computational punch you’d usually be looking for in a server platform, you can’t beat how cheap the Raspberry Pi is. As such, it’s at the heart of many a home LAN, serving up files as a network attached storage (NAS) device. But the biggest problem with using the Pi in a NAS is that it doesn’t have any onboard hard drive interface, forcing you to use USB. Not only is this much slower, but doesn’t leave you a lot of options for cleanly hooking up your drives.

This 3D printable NAS enclosure designed by [Paul-Louis Ageneau] helps address the issue by integrating two drive bays which can accommodate 2.25 inch laptop hard disk drives and their associated IB-AC6033-U3 USB adapters. The drives simply slide into the “rails” designed into the case without the need for additional hardware. There’s even space in the bottom of the case for a USB hub to connect the drives, and a fan on the top of the case to help keep the whole stack cool. It still isn’t perfect, but it’s compact and doesn’t look half bad.

The design is especially impressive as it doesn’t require any supports, an admirable goal to shoot for whenever designing for 3D printing. As an added bonus, the entire case is designed in OpenSCAD and licensed under the GPL v3; making modification easy if you want to tweak it for your specific purposes.

This certainly isn’t the strongest Raspberry Pi enclosure we’ve ever seen, that title would have to go to the ammo case that does double duty as a media streamer, but looks like it would make a great home for that new 3 B+ you’ve got on order.

from Blog – Hackaday

Bring Deep Learning Algorithms To Your Security Cameras

AI is quickly revolutionizing the security camera industry. Several manufacturers sell cameras which use deep learning to detect cars, people, and other events. These smart cameras are generally expensive though, compared to their “dumb” counterparts. [Martin] was able to bring these detection features to a standard camera with a Raspberry Pi, and a bit of ingenuity.

[Martin’s] goal was to capture events of interest, such as a person on screen, or a car in the driveway. The data for the events would then be published to an MQTT topic, along with some metadata such as confidence level. OpenCV is generally how these pipelines start, but [Martin’s] camera wouldn’t send RTSP images over TCP the way OpenCV requires, only RTSP over UDP. To solve this, Martin captures the video stream with FFmpeg. The deep learning AI magic is handled by the darkflow library, which is itself based upon Google’s Tensorflow.

Martin tested out his recognition system with some cheap Chinese PTZ cameras, and the processing running on a remote Raspberry Pi. So far the results have been good. The system is able to recognize people, animals, and cars pulling in the driveway.  His code is available on GitHub if you want to give it a spin yourself!

from Blog – Hackaday

ASK AN ENGINEER 3/21/18 LIVE! @adafruit #adafruit #askanegineer

ASK AN ENGINEER 3/21/18 LIVE! (video). What is “Ask an engineer”? From the electronics enthusiast to the professional community – “Ask an Engineer” has a little bit of everything for everyone. If you’re a beginner, or a seasoned engineer – stop in and see what we’re up to! We have demos of projects and products we’re working on, we answer your engineering and electronics questions and we have a trivia question + give away each week.

Live text chat in discord in the #livebroadcast channel, and we’ll have live video on Youtube, Twitch, Periscope (Twitter) and Facebook.

via Adafruit

SHOW-AND-TELL LIVE VIDEO! 3/21/18 (video) #showandtell @adafruit #adafruit

SHOW-AND-TELL LIVE VIDEO! 3/21/18 (video). Want to join the #showandtell Here’s how and video. The live chat for videos is over on Adafruit’s Discord server, JOIN here!

via Adafruit