Hans Gaensbauer - Projects

Research/PhD Work


MR-Core MRI Console

An FPGA Driven DAC + ADC with gradients and high speed USB for Magnetic Resonance


Electromagnets

2T Electromagnets for NMR Experiments


Lab Frame Bloch Solver

Lab Frame ODE45 Based Bloch Simulator for MRR and NMR


USRP MR Relaxometry

Drivers for implementing an MR relaxometer or NMR spectrometer on a USRP


Coil Simulator

Bio-Savart Simulator for NMR Coil Optimization


Embedded Systems


SimpleSBC Single Board Computer

A simple, open source SBC built around the STM32MP1


Linux Keyer

An automatic CW keyer built around the SimpleSBC


Solid State Angle of Attack Sensor

A flat ultrasonic angle of attack sensor with no moving parts.


Well Monitor

A well depth sensor and datalogger for Engineers Without Borders.


Polkadot Mesh Network

A low cost, standalone LoRa mesh network using STM32 and the SX1276.


RC Airplane Datalogger

A "black box" for radio control aircraft.


Small Radiosonde

A miniature radiosonde with the same sensors as a Vaisala RS92.


DDS Arbitrary Waveform Generator

A direct-digital-synthesis arbitrary waveform generator for testing the HSL radar.


Alternative Dev Board

A low-cost development board for digital design classes at UW.


VU-Meter/Spectrum Visualizer

A portable sound analyzer/VU meter built around an STM32.


PHAT-2 Balloon Hardware

Electrical hardware for the Platform for High Altitude Technology 2 (PHAT-2)


Sous-vide Controller

A temperature controller with an integrated capacitive power supply.


STM32 E-Paper Clock

A small clock with an e-paper display.


Diagnostic MR Relaxometer

A ~$20 instrument for detecting malaria using magnetic resonance relaxometry.


LED Cube Driver

A driver for controlling LED cubes.


Radio


Lunar Ground Penetrating Radar

A ground penetrating synthetic aperture radar developed for the Husky Satellite Lab at UW


OTS Nonlinear Radar Tags

Passive SAW tags using cheap, off-the-shelf SAW filters.


DSES Interferometer

Electronics for a four-dish interferometer being constructed out at the DSES site in Haswell, Colorado.


MRF101 Solid State PA

A solid state PA for amateur radio and MRI systems


XM Radar PA Carousel

A heavy duty rotating carousel for supporting the XM radar power amplifiers


3D Printed Dielectric Lenses

Software and experiments for 3d printing RF lenses with PLA on a cheap FDM printer


Buried Ice Detection

Radar detection of buried ice using circular polarization ratio


W1XM Doppler Demo

Doppler Radar Demo for Midway and Beaverworks built with Daniel DeSantis


Handheld UHF CW Trainer

A 1W "CW" only HT for practicing morse code.


Gain from PDF Antenna Pattern

Tools for extracting antenna patterns from PDF datasheets for RF modelling.


Miscellaneous


Blender Model Fitting

Neural network based single image reconstruction with parametric Blender models.


CatGrabber

A cat-inspired video game in Unity


AutoPIREP App

IOS App for turbulence detection and PIREPS


Quad II Pick and Place Machine

Restoration of a 1980s industrial pick and place machine


Outlet Power Indicator

Lights that change color based on outlet current draw.


Breadboard Split Rail PSU

A three rail USB power supply for analog breadboard projects


Radome Drive Shunt

A crowbar circuit for the W1XM radome dish drive.


LED Matrix

A DIY version of a the scrolling signs in the Shanghai metro


UVC Mask Sterilizer

A device for sterilizing masks during the COVID-19 pandemic.


Sprinkler Controller

A CPLD-based timer and pump controller for watering a flower box.


Dark Matter in CCDs Hardware

a 100 Watt linear (yes, linear) heater controller for dark matter detectors


Grow Light

A grow light for a succulent


Design Review Checklist

Checklist for hardware release


RISCV-32I Core

My pipelined riscv processor (a right-of-passage in undergraduate digital design)


Crazyflie Deployment Mechanism

Hardware for dropping payloads from a Crazyflie drone


Random Little Projects

Some projects too small for their own pages.


Publications


A Train to the Cities Might Not Break The Bank

Hans Gaensbauer, James Gaensbauer

The Post Bulletin - 8/25


Continuous Inline Magnetic Resonance Relaxometry Measurements on Moving Fluids

Analytical Chemistry - 5/25

Hans Gaensbauer, Alexander Bevacqua, Do Hyun Park, and Jongyoon Han


Contact-Free Online Monitoring of Bioreactor Cell Cultures with Magnetic Resonance Relaxometry

Hans Gaensbauer, Do Hyun Park, Alexander Bevacqua, and Jongyoon Han

Analytical Chemistry - 11/24


Continuous In-line Monitoring of Perfusion Culture Viability with Contact-Free Magnetic Resonance Relaxometry

Hans Gaensbauer, Do Hyun Park, Alexander Bevacqua, and Jongyoon Han

ISMRM - 5/24


Wind dispersal of battery-free wireless devices

Vikram Iyer, Hans Gaensbauer, Thomas L. Daniel, Shyamnath Gollakota

Nature - 3/22


Expanding the RTL2832u SDR Dongle

Hans Gaensbauer

Society of Amateur Radio Astronomers - 3/19