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Built for outdoors: LoRa mesh messaging, GPS coordinates, activity + fall detection, smart alerts,range boost, Type-C & 30-day battery.
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Mesh Node: Remote Safety & Communication Device

sb-componentsSB Components

Shoulder mounted canon from the predator movies featuring a head tracking system.
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Predator Mask and Shoulder Canon

ivoidwarrantiesI_void(warranties)

Open-source bipedal robot powered by Raspberry Pi 4B. Features IK-based gait, 30kg.cm bus servos, and DeepSeek LLM integration for AI resear
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SamuRoid: 22-DOF Embodied AI & ROS Humanoid

alisawualisa.wu

This is a power plant design Boyscout logic and high school math (Particles removed desalination available R O ready water is end product)
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Tidal Pulse Tower

alan-cyrAlan Cyr

An omnidirectional electric motorbike that in place of wheels uses technology to balance on a single large sphere.
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TALON Omnidirectional Ball Bike

nick-thatcherNick Thatcher

Blinkenlights and vectordot graphics from 1959
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Replica of the PDP-1: PiDP-1

oscarvOscarv

Directional ultrasonic speaker made of cheap ultrasonic transducers, capable of focusing sound into a beam
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Ultrasonic Sound Gun

nasserNasser

An isolated firmware debugging probe
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Grapple Probe

jonathan-herbstJonathan Herbst

CNC canvas painting system
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If () Then {Paint} v2

john-opsahlJohn Opsahl

On a RPi Pico W PIO offloads pressure & flow while embassy runs PID & Wi-Fi.
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oximite - rust espresso control

pchalapchala

Electronics, Physics, Math... Tricks/musings I haven't seen elsewhere.
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Random Tricks and Musings

eric-hertzEric Hertz

Simple and visual kids clock
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Kid schedule clock

goguelnikovgoguelnikov

possibly the world's first pencil plotter
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AutoGraph

john-opsahlJohn Opsahl

An artificial jellyfish on CYD (Cheap Yellow Display, ESP32).
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Denki Kurage / Electric Jellyfish

likeabloblikeablob

A MIDI controlled, self calibrating, robotic percussion instrument.
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Tongue Drum Music Robot

matthew-sylvesterMatthew Sylvester

Celebrating 50 years of Tiny Basic by implementing a custom micro-coded 16/32-bit CPU that executes it directly (up to 100MHz)
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CPU running Basic

zpekiczpekic