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wlf647

modern and vintage electronics, displays, sensors, audio

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wlf647

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This user joined on 12/18/2020.

Turning the classic analog physics simulation into an interactive experience with an accelerometer and a handheld CRT display

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Ball-in-box simulator with REAL gravity

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

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Hackaday.io Project

lutetiumLutetium

Homemade simple operational amplifier module and an audio amplifier using it

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Homemade Operational Amplifier

mitsuru-yamadaMitsuru Yamada

Modern take on TIL311 and reimagination of #PICTIL optimized for easier production and lower part count

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reTIL

An analog computer for solving sets of Lorenz attractor differential equations

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Analog Lorenz Attractor Computer

cheeennppCheeenNPP

An "effect box" which works as octave-down effect (halves input frequency). No internal oscillator involved, no PLL, just analog maths!

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Analog oscilator-less octave-down effect box

LED array that lights up in response to motion and sends waves across the array.

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interactive analog LED wave array

2021 Hackaday Prize

Exactly as the title says, these are a few retro led displays I've strung together to make 16x2 modules with some software I wrote

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Retro Alphanumeric LED Displays + Libraries

Op amp circuit for generating Spirograph like curves

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Op Art

Plugging modules in modified prototype boards allows an affordable and flexible analog computer system with unusual features

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Flexible Analog Computer

rainer-glaschickRainer Glaschick

A minimal 4-wire milliohm meter with 4.5 digit display

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SDO Milliohm Meter v1

kuba-sunderland-oberKuba Sunderland-Ober

Use lightbulbs to store data!

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Incandescent RAM

eric-hertzEric Hertz

Another Operational Transconductance Amplifier - a humble attempt to provide a tolerant discrete design for a vital opamp type

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AORTA

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Mitsuru Yamada wrote 06/12/2023 at 22:31 • point

Thank you for liking my #Homemade Operational Amplifier! I did a characteristic comparison of this bipolar transistor version of my own op amp with the CMOS version that I recently built myself.

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