Video intercom additional buzzer circuit

From blog.adafruit.com 2 months ago in Platforms Stores

Davide Gironi looks to add a buzzer circuit on an existing intercom system.On the external unit the button is connected to a 5V and a GND route. I suppose the 5V is a pullup connection to the unit microcontroller. I decide to use a comparator. I find a 12V line from...

Articles from Adafruit Industries

Comparing tag trends with the Most Loved programming languages #Programming @StackOverflow

From blog.adafruit.com 3 hours ago in Platforms Stores

Digging into two of Stack Overflow’s exceptional data sources: the annual Developer Survey results and stackoverflow.com’s website data, Erin Yepis reviews qualitative and quantitative sources to validate assumptions and explore the gray area between explicit and implicit behavior to answer the question...

The Great Search: Mono I2S Audio Amplifier #TheGreatSearch #DigiKey @DigiKey

From blog.adafruit.com 3 hours ago in Platforms Stores

On this week’s Great Search (video), we’re on the lookout for monophonic I2S amplifiers that we can use for our toy hacking project.Traditionally we’ve gone with the MAX98357, which is a rock-solid I2S Class D amplifier that we have used...

How to Reset Your Streaming Recommendations

From blog.adafruit.com 4 hours ago in Platforms Stores

Love ’em or hate ’em, algorithms play a massive role in our digital lives. They remember all of the baby animal content we clicked on in 2018 at 3am on a Thursday in January when we couldn’t sleep, or that...

Feathered robotic wing paves way for flapping drones

From blog.adafruit.com 4 hours ago in Platforms Stores

Lund University in Sweden recently published a study that looks at upstroke wing-folding and other specific elements of bird flight and notes the potential influence this could have on drone designs. The study demonstrates the advantage of building and studying...

CircuitPython 8.0.0 Release Candidate 1 Released! @circuitpython

From blog.adafruit.com 14 hours ago in Platforms Stores

From the GitHub release page:This is CircuitPython 8.0.0-rc.1, a release candidate for 8.0.0. We believe it is stable, and are making a release candidate for further testing before final release.NOTE: Since 8.0.0-beta.6, the file for specifying startup values for WiFi,...

adafruit floppy featherwing has a rainbow ribbon

From blog.adafruit.com 15 hours ago in Platforms Stores

we had some time this weekend to write the floppy featherwing tester code. this board tests the inputs and outputs, that go through two level shifters so that the signals TO the floppy drive are shifted up to 5V and...

Can You Write Programs for the Commodore 64 Using ChatGPT?

From blog.adafruit.com 15 hours ago in Platforms Stores

It seems like every day we’re learning some new, impressive application for the ChatGPT artificial intelligence program. On Retro Hack Shack, Aaron wanted to know if ChatGPT could be used to write simple programs for the Commodore 64. He asked...

Which Bench Grinder is Best?

From blog.adafruit.com 17 hours ago in Platforms Stores

In this Project Farm product testing video, Todd looks at bench grinders. The brands tested are JET, Shop Fox, Rikon, Delta, SKIL, Hercules, Bauer, Performance Tool, and WEN. Grinders were tested for the amount of time to reach full operating...

Solving da Vinci’s Bubble Paradox

From blog.adafruit.com 18 hours ago in Platforms Stores

Miguel Herrada from the University of Seville and Jens Eggers from the University of Bristolmay have solved Leonardo Da Vinci’s 500-year-old bubble paradox. In a study published in the Proceedings of the National Academy of Sciences (PNAS), the duo explain...

Making a Wall Display for Your Projects

From blog.adafruit.com 20 hours ago in Platforms Stores

In this I Like to Make Stuff video, Bob shows how you can easily build “gallery display” shelves to show off all of the cool stuff you’ve made over the years.He runs through the different ways that you can make...