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JensGrabner

I love calculator -- and i made a calculator with 8-bit CPU.

Upper Austria
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1 Projects
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jensgrabner
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This user joined on 03/27/2015.

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A Calculator with 15 Digit Seven Segment LED. It used two 3x4 Switches and worked with Atmel 1284p. Based on Arduino.
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snc98 .. Slash Number Calculator

jensgrabnerJensGrabner

calculator

accurate scientific calculator with fractions inside

Curated by JensGrabner

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Always jealous of people who could afford big Nixie Tubes, I rolled my own alternative with WS2812Bs and laser cutting!
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"Lixie", an LED alternative to the Nixie Tube

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7 Segment display array clock

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Upgraded version of the small board for connect multiple rotary encoders on the I2C bus.
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An ARM based scientific calculator
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Scientific Calculator

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Minimal USB powered Nixie display and IoT button
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A Wordwatch using a 11x10 charlieplex matrix.
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A keyboard with double action functionality, designed to make typing easy and comfortable.
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Double Action Keyboard

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DIY replica of TIL305 5x7 matrix display.
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The cheap TP4056 Li-Ion charger boards need some upgrade
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TP4056 3V3 load share addon board

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Inexpensive, Arduino Compatible Low Power Dev Board
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LP Mini - Low Power Dev Board

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A reprogrammable replica of the famous TIL311
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DIYTIL311

jacob-stillJacob Still

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You may see it's just a stickered chip? NO! This is totally self-contained "mod-chip"
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Minimal and self-contained ATmega1284P "mod chip"

kodera2tkodera2t

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charlie-plexed 11x10 LED matrix, perfect fit for a word clock. Also LEDs soldered on upside down.
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smart miniature (DIP6) 5x7 LED Matrix
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The AriCalculator is a DIY calculator or a general purpose handheld device.
Project Owner Contributor

AriCalculator - A homemade handheld calculator

373876178373876178

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This is an Arduino "pro mini" with more memory. It uses ATmega644p (64k) or ATMega1284p (128k) and can run @ 20MHz.
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Mightyduino

paulo-bruckmannPaulo Bruckmann

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Jacob Still wrote 07/12/2019 at 00:07 • point

Thanks for checking out and following #DIYTIL311 

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