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Number sieves are machines that outran computers, 1920s-1990s. A 1982 design in ATtiny412s, aimed at factoring a 16-digit number.
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A Tiny Sieve | Lehmer's Math Machine in ATtinys

kbsriramkbsriram

Build a wireless Arduino network using nRF24L01+ modules for two-way communication.
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nRF24L01+ Module Interfacing with Arduino

akshay-jainAkshay Jain

A simulator homage to old-school mini/mainframe systems with real lights and switches
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PlasMa Mini-Mainframe Simulator

phil-tippingPhil Tipping

A desktop lamp that is hackable, customizable and looks good. Add small magnetic modules for infinite functionality.
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SateLight - A customizable, modular desktop light

chrisChris

I was obsessed with the Zoltar as a kid. I decided to make my own version that's more interactive and gives every customer a custom fortune.
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Captain Reef's Prophecies

makerinatorMakerinator

Hall sensor, IR optocouple, ignition coil inducted tachometers. Also clock, voltmeter, DS thermometer.
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Tachometer 6-in-one

mikhail-belkinMikhail Belkin

The LED Was Already In The Schematic — Optical Bus Extension and Infinite Scaling of the DTL N-ary Cell
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Optical extension and scaling for N-ary cell

alan-cyrAlan Cyr

I'd like to build a teletype-style terminal using an Alphacom thermal printer and a decent keyboard that will work with any RC2014
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MCU-less teletype terminal using Alphacom printer

shiela-dixonShiela Dixon

An S3 browser that runs entirely in your browser. No server, no install, no build step — two files, open one of them and start browsing.
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S3Feather - Comfortable One file S3 browser

aleksei-tertychnyiAleksei Tertychnyi

Rebuilding a modern-ish Amiga using a MiSTer FPGA and a reproduction Amiga 500 case
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MrBig - Amiga A500 Retrofit

leeLee

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.
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YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuildsYUMO.BUILDS

A hand-bent 1.5mm brass wire clock sculpture powered by ESP32-C3 with NTP time sync, hardware-multiplexed 7-segment display, and 5-stage SK
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YUMO GLOBE

yumobuildsYUMO.BUILDS

An ESP32-powered desk gadget with six round displays that appears to spin without any visible axle — the trick is mounting the frame on the
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YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuildsYUMO.BUILDS

Tiny ESP32-C3 desk gadget with OLED, live weather sensing, proximity glow & a phone-controlled web interface.
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YUMO PULSE — ESP32-C3 Desk Gadget

yumobuildsYUMO.BUILDS

9 volts, DIY motors, Arduino and DRV8833
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Beginner "H2" line follower

gmez-mora-rodrigo-urielGómez Mora Rodrigo Uriel

Follow for the 'Hacklet' and latest news about hackaday.io
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Hackaday.io Project

lutetiumLutetium

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