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Nick

Elder geek, Autodidactic, Polyglot. 6 cats, 3 chickens, 1 glider, 1 wife

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This user joined on 06/03/2016.

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A wearable personal digital assistant always by your side, helping you through your day.
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Jeeves

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Ground Penetrating Radar using Arduino
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An easy to build, program, modify and use AVR and ESP based Lasertag system for everyone!
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ESP8266 based Solar Powered wireless Weather Station
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SOLAR POWERED WIFI WEATHER STATION

open-green-energyOpen Green Energy

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A microprocessor built with TTL chips. In one square inch.
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1 Square Inch TTL CPU

roelhroelh

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Zn-Cu stomach acid based bio-galvanic cell powers a hacked activity tracker small enough to swallow and reconfigured as a 'smart pill'.
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Stomach Acid Powered Smart Pill

curt-whiteCurt White

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Alternative for the 74LS181 ALU, built in One Square Inch
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4 bit TTL ALU

roelhroelh

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ESP32-based tracker, LoRa beacon and road-quality monitor
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ESP32 LoRa GPS Bike Thing

usedbytesusedbytes

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8 Bit CPU in 7400 with full Verilog simulator and toolchain
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SPAM-1 - 8 Bit CPU

john-lonerganJohn Lonergan

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Homebrew pulse metal detector on Arduino Nano
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FoxyPI - Arduino Nano metal detector

alexey-voroninAlexey Voronin

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A wireless input alternative that's actually ergonomic!
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Ergonomic handheld mouse / keyboard alternative

shervin-emamiShervin Emami

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Suite-16 is a 16-bit cpu built entirely from TTL. It is a personal exploration of how hardware and software interact.
Project Owner Contributor

Suite-16

monsonitemonsonite

3.9k
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Inspired by the attempts of other people around the Interwebs, I use a motor as a rotary encoder, but with a different approach.
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Motor as Encoder

besenyeimbesenyeim

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Convenient indicator LEDs for your breadboard
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Rainbow Jellyfish

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The New Dexterity Low-Cost Robotic Airship for Education and Research
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A Helium-Based, Affordable Robotic Airship

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A full ALU, capable of ADD, SUB and all logic functions, with only 12 transistors
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ALU in DCTL technology

roelhroelh

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Early computer designers were cheap masochists. This front panel is much better yet could have been made 50 years ago !
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Hardware assembler / EMUI

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Development Board for the new ATmega4808 Series of AVR Microcontrollers
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stefan-wagnerStefan Wagner

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"Safety First!", we often hear. Mounted on a drone, this beacon says "I'm here!" in LoRa language.
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WildDrone Locator

mihaivdrMihaiVDR

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roelh wrote 03/16/2019 at 12:31 • point

Hi Nick, thanks for following the #1 Square Inch TTL CPU !

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