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Arduino-based radar system is a smart project that detects your surroundings with sound waves. Usually it's done using an ultrasonic sensor and a servo motor.🛜

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Ahib Jane

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530,515 görüntüleme • 8 ay önce •via X (Twitter)

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A student built a real anti-gravity machine… using an Arduino. How to Make an Acoustic Levitator: Arduino Nano + motor driver + about 60 ultrasonic transducers. They all emit ~40 kHz sound. The sound waves meet and form fixed pockets in the air. Tiny bits of styrofoam get stuck in those pockets and just hang there. If you put your hand in, the pattern breaks and they fall. Same principle labs use to move droplets or samples without touching them. Credit: u/williamlk5341 on r/arduino Based on an “Acoustic Levitator” Instructable guide: ---- Weekly robotics and AI insights. Subscribe free:
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A student built a real anti-gravity machine… using an Arduino. How to Make an Acoustic Levitator: Arduino Nano + motor driver + about 60 ultrasonic transducers. They all emit ~40 kHz sound. The sound waves meet and form fixed pockets in the air. Tiny bits of styrofoam get stuck in those pockets and just hang there. If you put your hand in, the pattern breaks and they fall. Same principle labs use to move droplets or samples without touching them. Credit: u/williamlk5341 on r/arduino Based on an “Acoustic Levitator” Instructable guide: ---- Weekly robotics and AI insights. Subscribe free:

Ilir Aliu

817,094 görüntüleme • 5 ay önce

You don’t need expensive hardware to build something that feels like real robotics. An Arduino, a servo, and an ultrasonic sensor can scan space and turn echoes into a simple radar view. It sweeps, measures distance, and visualizes it in real time. Cheap, simple, and a solid way to understand how machines sense the world. Limits show up fast, which is where better sensing and smarter software come in. Original build by SunFounder —— Weekly robotics and AI insights. Subscribe free:
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You don’t need expensive hardware to build something that feels like real robotics. An Arduino, a servo, and an ultrasonic sensor can scan space and turn echoes into a simple radar view. It sweeps, measures distance, and visualizes it in real time. Cheap, simple, and a solid way to understand how machines sense the world. Limits show up fast, which is where better sensing and smarter software come in. Original build by SunFounder —— Weekly robotics and AI insights. Subscribe free:

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That’s insane! 🤯 A student built an acoustic levitation divide with an Arduino board. He built it using an Arduino Nano, a motor driver, and 60 ultrasonic transducers that can levitate low-density objects in place indefinitely. The transducers send out 40 kHz waves that create standing waves. The interference pattern produces nulls that trap objects. High-pressure areas form below and above the object, locking it in the low-pressure area between them. The transducers produce two sound waves moving in opposing directions at the same frequency and amplitude. The effect is that the low-pressure areas don't appear to move, like whipping a rope from both ends and having the wave meet in the middle. Sound waves are oscillating at high and low pressures. By creating a sound wave that doesn't move forward (a standing wave), you create areas of constant pressure. 🔉 Objects get trapped in the null points between high-pressure zones. The craziest part is that this was made more than 7 years ago! DIY levitation 😮‍💨 Reddit link: ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →
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That’s insane! 🤯 A student built an acoustic levitation divide with an Arduino board. He built it using an Arduino Nano, a motor driver, and 60 ultrasonic transducers that can levitate low-density objects in place indefinitely. The transducers send out 40 kHz waves that create standing waves. The interference pattern produces nulls that trap objects. High-pressure areas form below and above the object, locking it in the low-pressure area between them. The transducers produce two sound waves moving in opposing directions at the same frequency and amplitude. The effect is that the low-pressure areas don't appear to move, like whipping a rope from both ends and having the wave meet in the middle. Sound waves are oscillating at high and low pressures. By creating a sound wave that doesn't move forward (a standing wave), you create areas of constant pressure. 🔉 Objects get trapped in the null points between high-pressure zones. The craziest part is that this was made more than 7 years ago! DIY levitation 😮‍💨 Reddit link: ~~ ♻️ Join the weekly robotics newsletter, and never miss any news →

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The anti-drone system that hunts from the sky—literally A UAV now detects and intercepts drones from above using radar-equipped swarms and high-speed interceptors 72h ops, auto-return, 5km range 🇺🇸🇬🇧🇳🇱🇩🇪 Built by a Western tech alliance—Germany’s Bundeswehr is first in line

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Each of us navigates our surroundings using sight and sound together. The sensor system in the Rivian Autonomy Platform works the same way. It takes data from cameras, radar and – coming soon – LiDAR, then fuses them together in an instant. Not as separate inputs but as one complete picture of the world that’s more precise than any single type of data could be on its own.

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NASA and USGS are teaming up to map minerals that are critical for national security and the economy. As part of the GEMx project, scientists are flying over the Western U.S., with a NASA sensor that detects the molecular fingerprints of different minerals.
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NASA and USGS are teaming up to map minerals that are critical for national security and the economy. As part of the GEMx project, scientists are flying over the Western U.S., with a NASA sensor that detects the molecular fingerprints of different minerals.

NASA Earth

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forget vibe coding the next wave is mind coding i just accepted all changes in Cursor with my brain using a $20 toy that reads your brain's electrical activity + an arduino you can control your keyboard by just focusing should i make a full tutorial?
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How sound waves can influence physical matter, revealing intricate geometric forms that change with frequency and amplitude. This is a a sound wave at a frequency of 528 hertz that is travelling through water.
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How sound waves can influence physical matter, revealing intricate geometric forms that change with frequency and amplitude. This is a a sound wave at a frequency of 528 hertz that is travelling through water.

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🚨🇺🇸 The F-35 just got an AI upgrade that can identify enemy air defense systems even when they're switching radar frequencies every second. Modern air defenses are designed specifically to be undetectable. The new system detects them anyway. Thursday is the negotiation deadline with Iran. The timing of this announcement is not a coincidence. Defense Intelligence
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🚨🇺🇸 The F-35 just got an AI upgrade that can identify enemy air defense systems even when they're switching radar frequencies every second. Modern air defenses are designed specifically to be undetectable. The new system detects them anyway. Thursday is the negotiation deadline with Iran. The timing of this announcement is not a coincidence. Defense Intelligence

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As a made man, having a smart son that you can work hand in hand with to continue your legacy is an underrated blessing 👌🏾🙏🏾
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As a made man, having a smart son that you can work hand in hand with to continue your legacy is an underrated blessing 👌🏾🙏🏾

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Heeseung is very smart, ahaha, that orange game. It's like an orange that has been spun around many times and is now as big as a planet. so Heeseung imagines seeing it and spinning it through a telescope ahahaha
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Heeseung is very smart, ahaha, that orange game. It's like an orange that has been spun around many times and is now as big as a planet. so Heeseung imagines seeing it and spinning it through a telescope ahahaha

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History is being made with India’s first ever AI enabled Mahabharata. A landmark project that retells the timeless epic using world class technology and the vision of passionate storytellers. An unforgettable experience awaits. #MahabharataAI #WAVESOTT

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