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Kuba Sunderland-Ober

A human being who prefers elevators to have a neutral pitch. When an elevator pitches I start to worry.

North America

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This user joined on 10/23/2020.

My Projects

A minimal 4-wire milliohm meter with 4.5 digit display

SDO Milliohm Meter v1

kuba-sunderland-ober Kuba Sunderland-Ober

Mid-70s CMOS called and wants the past dues

4000 Series Logic Reference Cards

kuba-sunderland-ober Kuba Sunderland-Ober

Projects I Like & Follow

An analog computer for solving sets of Lorenz attractor differential equations

Analog Lorenz Attractor Computer

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

interactive analog LED wave array

Rogowski coil current sensor using cheap shunt regulators as opamps.

TL431 rogowski coil current sensor

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

Flexible Analog Computer

rainer-glaschick Rainer Glaschick

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

Ball-in-box simulator with REAL gravity

My not so fancy example of Magnetic Core Memory using fairly cheap cores and free parts from my junk box.

Magnetic Core Memory The Dr Cockroach Way

dr-cockroach Dr. Cockroach

This is a pH meter with temperature compensation and digital readout (but no microcontroller)

No-Code pH Meter

A circuit sculpture to participate in the 2023 op amp challenge.

Chaotic Lighthouse

A proof of concept which demonstrates how analog op amps can perform digital logic functions.

OP-Amps Gone Digital - A BCD to 7 Seg Converter

Supplyframe DesignLab: 2023 Hackada…

This research project is to develop a newborn baby care robot, CryingBaby, which can drink real milk, color milk, and actually defecate.

CryingBaby (day 0)

takayukikosaka takayuki.kosaka

A linear CC-CV charger to handle various secondary lithium chemistries. Built with Op Amps and Comparators.

Op Amp Based Lithium Charger

Voltage is set with three BCD switches with a step of 10mV

Fully analog digitally controlled voltage source

Supplyframe DesignLab: 2023 Hackada…

Plug & Play Electromyography (EMG)

Muscle BioAmp Shield v0.3

deepak-khatri Deepak Khatri

Long range infrared Beam Interruption Detector(BID) using infrared pre-amplifier OP AMP and using single IR transmitter and receiver diode.

Infrared Pre-Amplifier

Use op amps to create digital logic gates and higher level logic functions.

Op Amp Logic

I overheard some co-workers talking about a project that turned a PC Hard Drive into a speaker and I couldn't resist building one

Hard Drive Voice Coil Speaker

ted-sheflin Ted Sheflin

Real-time tracking of nearest trams next to headquarters of Hackerspace Trójmiasto

Public Transport Dashboard (Traminfo)

piotr-gaczkowski Piotr Gaczkowski

A simple signal generator and processor for synthesizing waveforms within the audio frequency range.

Synthesizer Opamp Galore

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