In this GreatScott video, he adapts an 18v 5.0 Ah Makita battery pack to his portable vacuum.
Besides this useful hack, the video also provides a fascinating teardown of the vacuum electronics and mechanics, all detailed using Scott’s clear and beautifully-drawn circuit sketches.
Here’s a fun kind of maker challenge. Alex Steele decided to see if he could recreate a classic Zippo lighter.
As you might image, such a challenge might be easier (for someone of Alex’s skill) than you think. Or that Alex thought. This will be a multipart series.
Here’s a fun kind of maker challenge. Alex Steele decided to see if he could recreate a classic Zippo lighter.
As you might image, such a challenge might be easier (for someone of Alex’s skill) than you think. Or that Alex thought. This will be a multipart series.
We promise this playlist is going to hit anyone living life and listening to new releases in the mid aughts hard in the heart. Get ready for serious emotional waves and absolute bangers in this Spotify playlist World Cafe put together for their 30th anniversary.
The year was also notable for music by bands-on-blogs — which would become something of a sub-genre also known as “blog rock” — that’s best represented by Clap Your Hands Say Yeah, whose 2005 debut still stands as a classic.
Read more from NPR and checkout the playlist on Spotify
via Quanta
That may soon change. Boris Knyazev of the University of Guelph in Ontario and his colleagues have designed and trained a “hypernetwork” — a kind of overlord of other neural networks — that could speed up the training process. Given a new, untrained deep neural network designed for some task, the hypernetwork predicts the parameters for the new network in fractions of a second, and in theory could make training unnecessary. Because the hypernetwork learns the extremely complex patterns in the designs of deep neural networks, the work may also have deeper theoretical implications.
via Quanta
That may soon change. Boris Knyazev of the University of Guelph in Ontario and his colleagues have designed and trained a “hypernetwork” — a kind of overlord of other neural networks — that could speed up the training process. Given a new, untrained deep neural network designed for some task, the hypernetwork predicts the parameters for the new network in fractions of a second, and in theory could make training unnecessary. Because the hypernetwork learns the extremely complex patterns in the designs of deep neural networks, the work may also have deeper theoretical implications.
We all love watching YouTube project videos when the build goes seamlessly. But it’s often more educational, to both the Tuber and the viewer, when there are issues with the design and execution of the project.
Such is the case with this project by Laura Kampf. She wanted to build a simple dispenser that would automate the delivery of cutting oil to her drill press. She even found a cute coffee maker that was the perfect size. Laura encounters one problem after another and comes up with great solutions for each.
But after the oiler is finally installed, she ends up with another annoying problem — the device leaks oil when not in use. She ends the video with this quandary, but folks in the YouTube comments have the solution:
The solution is simpler than you think: put the coffee maker lower than the liquid outlet point. In this position, the pump fills the siphon which then continues to drain until the coffee maker is empty, with the coffee maker at the bottom instead, the liquid will return back by gravity.
We all love watching YouTube project videos when the build goes seamlessly. But it’s often more educational, to both the Tuber and the viewer, when there are issues with the design and execution of the project.
Such is the case with this project by Laura Kampf. She wanted to build a simple dispenser that would automate the delivery of cutting oil to her drill press. She even found a cute coffee maker that was the perfect size. Laura encounters one problem after another and comes up with great solutions for each.
But after the oiler is finally installed, she ends up with another annoying problem — the device leaks oil when not in use. She ends the video with this quandary, but folks in the YouTube comments have the solution:
The solution is simpler than you think: put the coffee maker lower than the liquid outlet point. In this position, the pump fills the siphon which then continues to drain until the coffee maker is empty, with the coffee maker at the bottom instead, the liquid will return back by gravity.
We’ve got so much happening here at Adafruit that it’s not always easy to keep up! Don’t fret, we’ve got you covered. Each week we’ll be posting a handy round-up of what we’ve been up to, ranging from learn guides to blog articles, videos, and more.
after nofrendo/NES emulation, the next one we tried is ‘gnuboy’ which is a gameboy (color) emulator. we remember getting a gameboy when they came out, it was absolutely amazing to play tetris anytime we wanted. Read more.
More BLOG:
Build your own arpeggiator synthesizer/MIDI controller in the form of a fight stick/piano keyboard mashup! It’s perfect for chiptunes. You’ll use LED Arcade 1×4 boards, MIDI FeatherWing, Feather M4 Express, and lots of shiny buttons to build this retro-style synth. Read more.
More LEARN
Browse all that’s new in the Adafruit Learning System here!
New nEw NEWs From Adafruit is an email newsletter sent out once a week to subscribers only. It features new products, special offers, exciting original content, and more. Sign-up NOW for the Adafruit weekly Newsletter here: https://www.adafruit.com/newsletter
We’ve got the New nEw NEW for you right here:
EL Wire Sound Activated Pocket Inverter – 5V USB Power
A small, portable inverter for EL wire with an audio input! This inverter has a little microphone and will light the connected EL according to the surrounding audio volume. Makes for an easy reactive project.
Da Share Zone NFT Men’s S Tee + Accessories Bundle – Men Small
ADMIN SEZ – Peep a new fun t-shirt and grab-bag bundle pack of four assorted stickers and four pins from Da Share Z0ne. These darkly amusing accessories are rated double M for Mature Memes and are definitely geared towards makers and hackers 18+. We get that some folks do not agree with all the sentiments expressed in every meme, but we’re told to “smile more” so here we go.
Da Share Zone NFT Men’s M Tee + Accessories Bundle – Men’s Medium
Before you Tweet – here’s Adafruit’s official statement on NFT’s from Ladyada & pt … (Ya know … Shirts, Nice Friendly Telephones, stuff like that) plus an excellently curated gallery of some really Nice FRIENDLY Tshirts we’ve seen around the Adafruit factory.
FGG.0B Quick Connect 5 Pin Plug – 9mm Outer Diameter
If you want the look and feel of aeronautical style quick-release connectors, this FGG.0B 5-pin Plug is an elegant and inexpensive alternative to official LEMO-C connectors. Sure, they’re not mil-spec but they do work and look great for DIY projects, keyboard builds, robotics, wearables, and more. The connector snaps together smoothly and can disconnect only when the sleeve is pulled, which can be done one-handed with a little practice.
FGG.0B Quick Connect 5 Pin Panel Mount Socket – 9mm
If you want the look and feel of aeronautical style quick-release connectors, this FGG.0B 5-pin Socket is an elegant and inexpensive alternative to official LEMO-C connectors. Sure, they’re not mil-spec but they do work and look great for DIY projects, keyboard builds, robotics, wearables, and more. The connector snaps together smoothly and can disconnect only when the sleeve is pulled, which can be done one-handed with a little practice.
FGG.0B Quick Connect 4 Pin Plug – 9mm Outer Diameter
If you want the look and feel of aeronautical style quick-release connectors, this FGG.0B 4-pin Plug is an elegant and inexpensive alternative to official LEMO-C connectors. Sure, they’re not mil-spec but they do work and look great for DIY projects, keyboard builds, robotics, wearables, and more. The connector snaps together smoothly and can disconnect only when the sleeve is pulled, which can be done one-handed with a little practice.
FGG.0B Quick Connect 4 Pin Panel Mount Socket – 9mm
If you want the look and feel of aeronautical style quick-release connectors, this FGG.0B 4-pin Socket is an elegant and inexpensive alternative to official LEMO-C connectors. Sure, they’re not mil-spec but they do work and look great for DIY projects, keyboard builds, robotics, wearables, and more. The connector snaps together smoothly and can disconnect only when the sleeve is pulled, which can be done one-handed with a little practice.
ESP32-S3-DevKitC-1 – ESP32-S3-WROOM-2 – 32MB Flash 8MB PSRAM
The ESP32-S3-DevKitC-1 is an entry-level development board equipped with ESP32-S3-WROOM-2, a general-purpose Wi-Fi + Bluetooth LE MCU module that integrates complete Wi-Fi and Bluetooth LE functions. This version is equipped with the ESP32-S3-WROOM-2 (PCB antenna) with 32MB Flash and 8MB PSRAM.
Alpha Single-Gang 16mm Right-angle PC Mount – 100K Reverse Audio – RV16AF-41-15R1-C100K-30H4
This Alpha 100K Reverse Audio potentiometer is a two-in-one, good in a breadboard or with a panel. It’s a unique reverse audio taper 100K ohm potentiometer. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a breadboard or perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 5K Audio – RV16A01F-41-15R1-A5K-30H4
This Alpha Dual-Gang 5K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 5K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 1K Audio – RV16A01F-41-15R1-A1K-30H4
This Alpha Dual-Gang 1K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 1K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 10K Audio – RV16A01F-41-15R1-A10K-30H4
This Alpha Dual-Gang 10K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 10K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 25K Audio – RV16A01F-41-15R1-A25K-30H4
This Alpha Dual-Gang 25K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 25K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 50K Audio – RV16A01F-41-15R1-50K-30H4
This Alpha Dual-Gang 50K Linear potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 50K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 500K Audio – RV16A01F-41-15R1-A500K-30H4
This Alpha Dual-Gang 500K Linear potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 500K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 250K Audio – RV16A01F-41-15R1-A250K-30H4
This Alpha Dual-Gang 250K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s a audio/log taper 250K ohm potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 100K Audio – RV16A01F-41-15R1-100K-30H4
This Alpha Dual-Gang 100K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio / log tape 100K ohm potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 1M Audio – RV16A01F-41-15R1-A1M-30H4
This Alpha Dual-Gang 1M Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log tape 1 Megaohm potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
ADXL375 – High G Accelerometer (+-200g) with I2C and SPI – STEMMA QT / Qwiic
Hey rocket man (burnin’ out your fuse out there alone) ever wonder how fast you’re rocketing? The Adafruit ADXL375 High G Accelerometer is an epic +-200g 3-axis accelerometer may be able to tell the answer.
Visit www.adafruit.com/new for more info.
Want to get this info beamed straight into your inbox?
New nEw NEWs From Adafruit is an email newsletter sent once a week to subscribers only.
It features new products, special offers, exciting original content, and more.
Sign-up for the Adafruit weekly Newsletter here: https://www.adafruit.com/newsletter
New nEw NEWs From Adafruit is an email newsletter sent out once a week to subscribers only. It features new products, special offers, exciting original content, and more. Sign-up NOW for the Adafruit weekly Newsletter here: https://www.adafruit.com/newsletter
Were you aware that batteries can flip their polarities? I wasn’t. Fran Blanche discovered this while testing some Rayovacs that have been in the Star Trek Comm Panel that she hacked years ago.
Fran discover that one of 3 AA batteries in the toy had switched polarity. In the comments EEVBlog wrote:
Yep, this can happen if you have non-matched cells in series, or one dodgy one. The lower charge one discharges first and then the others in series push current through and reverse charge the dead one.
Many products have a warning not to mix fresh and used cells for this reason. This has popped up quite a few times in my videos over the years.
And, are Lithium cells vulnerable to this, too? FellenXD writes:
Very much so, and it can lead to growth of lithium metal crystals that can puncture the insulating membranes in the battery. This will cause a short circuit inside the battery and can lead to some explosive spontaneous self-dissasembly
Proper battery packs have balancing circuitry for the cells and a low voltage cutoff, which should stop this from happening.
We’ve got the New nEw NEW for you right here:
EL Wire Sound Activated Pocket Inverter – 5V USB Power
A small, portable inverter for EL wire with an audio input! This inverter has a little microphone and will light the connected EL according to the surrounding audio volume. Makes for an easy reactive project.
Da Share Zone NFT Men’s S Tee + Accessories Bundle – Men Small
ADMIN SEZ – Peep a new fun t-shirt and grab-bag bundle pack of four assorted stickers and four pins from Da Share Z0ne. These darkly amusing accessories are rated double M for Mature Memes and are definitely geared towards makers and hackers 18+. We get that some folks do not agree with all the sentiments expressed in every meme, but we’re told to “smile more” so here we go.
Da Share Zone NFT Men’s M Tee + Accessories Bundle – Men’s Medium
Before you Tweet – here’s Adafruit’s official statement on NFT’s from Ladyada & pt … (Ya know … Shirts, Nice Friendly Telephones, stuff like that) plus an excellently curated gallery of some really Nice FRIENDLY Tshirts we’ve seen around the Adafruit factory.
FGG.0B Quick Connect 5 Pin Plug – 9mm Outer Diameter
If you want the look and feel of aeronautical style quick-release connectors, this FGG.0B 5-pin Plug is an elegant and inexpensive alternative to official LEMO-C connectors. Sure, they’re not mil-spec but they do work and look great for DIY projects, keyboard builds, robotics, wearables, and more. The connector snaps together smoothly and can disconnect only when the sleeve is pulled, which can be done one-handed with a little practice.
FGG.0B Quick Connect 5 Pin Panel Mount Socket – 9mm
If you want the look and feel of aeronautical style quick-release connectors, this FGG.0B 5-pin Socket is an elegant and inexpensive alternative to official LEMO-C connectors. Sure, they’re not mil-spec but they do work and look great for DIY projects, keyboard builds, robotics, wearables, and more. The connector snaps together smoothly and can disconnect only when the sleeve is pulled, which can be done one-handed with a little practice.
FGG.0B Quick Connect 4 Pin Plug – 9mm Outer Diameter
If you want the look and feel of aeronautical style quick-release connectors, this FGG.0B 4-pin Plug is an elegant and inexpensive alternative to official LEMO-C connectors. Sure, they’re not mil-spec but they do work and look great for DIY projects, keyboard builds, robotics, wearables, and more. The connector snaps together smoothly and can disconnect only when the sleeve is pulled, which can be done one-handed with a little practice.
FGG.0B Quick Connect 4 Pin Panel Mount Socket – 9mm
If you want the look and feel of aeronautical style quick-release connectors, this FGG.0B 4-pin Socket is an elegant and inexpensive alternative to official LEMO-C connectors. Sure, they’re not mil-spec but they do work and look great for DIY projects, keyboard builds, robotics, wearables, and more. The connector snaps together smoothly and can disconnect only when the sleeve is pulled, which can be done one-handed with a little practice.
ESP32-S3-DevKitC-1 – ESP32-S3-WROOM-2 – 32MB Flash 8MB PSRAM
The ESP32-S3-DevKitC-1 is an entry-level development board equipped with ESP32-S3-WROOM-2, a general-purpose Wi-Fi + Bluetooth LE MCU module that integrates complete Wi-Fi and Bluetooth LE functions. This version is equipped with the ESP32-S3-WROOM-2 (PCB antenna) with 32MB Flash and 8MB PSRAM.
Alpha Single-Gang 16mm Right-angle PC Mount – 100K Reverse Audio – RV16AF-41-15R1-C100K-30H4
This Alpha 100K Reverse Audio potentiometer is a two-in-one, good in a breadboard or with a panel. It’s a unique reverse audio taper 100K ohm potentiometer. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a breadboard or perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 5K Audio – RV16A01F-41-15R1-A5K-30H4
This Alpha Dual-Gang 5K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 5K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 1K Audio – RV16A01F-41-15R1-A1K-30H4
This Alpha Dual-Gang 1K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 1K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 10K Audio – RV16A01F-41-15R1-A10K-30H4
This Alpha Dual-Gang 10K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 10K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 25K Audio – RV16A01F-41-15R1-A25K-30H4
This Alpha Dual-Gang 25K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 25K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 50K Audio – RV16A01F-41-15R1-50K-30H4
This Alpha Dual-Gang 50K Linear potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 50K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 500K Audio – RV16A01F-41-15R1-A500K-30H4
This Alpha Dual-Gang 500K Linear potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log taper 500K potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 250K Audio – RV16A01F-41-15R1-A250K-30H4
This Alpha Dual-Gang 250K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s a audio/log taper 250K ohm potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 100K Audio – RV16A01F-41-15R1-100K-30H4
This Alpha Dual-Gang 100K Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio / log tape 100K ohm potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
Alpha Dual-Gang 16mm Right-angle PC Mount – 1M Audio – RV16A01F-41-15R1-A1M-30H4
This Alpha Dual-Gang 1M Audio potentiometer is a two-in-one potentiometer stack, for independent stereo control. It’s an audio/log tape 1 Megaohm potentiometer on each half, with one shared knob for both. It’s smooth and easy to turn, but not so loose that it will shift on its own. We like this one because the legs are 0.2″ apart with pin-points, so you can plug it into a perfboard.
ADXL375 – High G Accelerometer (+-200g) with I2C and SPI – STEMMA QT / Qwiic
Hey rocket man (burnin’ out your fuse out there alone) ever wonder how fast you’re rocketing? The Adafruit ADXL375 High G Accelerometer is an epic +-200g 3-axis accelerometer may be able to tell the answer.
Visit www.adafruit.com/new for more info.
Want to get this info beamed straight into your inbox?
New nEw NEWs From Adafruit is an email newsletter sent once a week to subscribers only.
It features new products, special offers, exciting original content, and more.
Sign-up for the Adafruit weekly Newsletter here: https://www.adafruit.com/newsletter
New nEw NEWs From Adafruit is an email newsletter sent out once a week to subscribers only. It features new products, special offers, exciting original content, and more. Sign-up NOW for the Adafruit weekly Newsletter here: https://www.adafruit.com/newsletter
