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RichardKCollins

Mathematical statistician. High sampling rate, three axis gravimeter networks, gravitational imaging, Internet Foundaton.

United States
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76 Following
4 Projects
20 Likes
richardkcollins
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This user joined on 03/25/2019.

2.9k
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Gravimeter array imaging requires building low cost, high sensitivity, time-of-flight (aka high sampling rate) sensors.
Project Owner Contributor

Low Cost, Time-of-Flight Gravimeter Arrays

richardkcollinsRichardKCollins

315
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Most electromagnetic technologies can be adapted to work with gravitational fields: Sensors, Transmitters, Generators, Power Sources.
Project Owner Contributor

Gravitational Engineering and Sensor Arrays

richardkcollinsRichardKCollins

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I am investigating the use of ADCs (analog to digital converters) at Msps and Gsps, for global gravity and radio networks.
Project Owner Contributor

Software Defined Radio Notes

richardkcollinsRichardKCollins

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Any realistic global response to climate change involves all 7.9 Billion humans and all related species
Project Owner Contributor

Climate Resilient Communities

richardkcollinsRichardKCollins

10.6k
3.8k
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Use your lasercutter to make an optics bench.
Project Owner Contributor

Lasercut Optics Bench

peter-walshPeter Walsh

Things I've Built

Y2K-Status.Org

The Year 2000 problem could have been an expensive embarrassment and possibly dangerous. I set up a web site to track the global status, and all the technologies involved. Information can stabilize complex networks under stress. Systemic Issues

Famine Early Warning System

The famines in Africa cost many lives and were an expensive embarrassment for some agencies. It was necessary to integrate data from many different sources, model the paths that lead to bad outcomes, then intervene in the process.

39.7k
3.5k
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Mostly 3D printer Rasppberry Pi 3D Scanner Rig
Project Owner Contributor

Raspberry Pi Zero 3D Scanner

vojislav-milanovicVojislav Milanovic

30.6k
400
26
302
8 GHz BW, up to 1 TS/s ET Sampling I have ceased active development on this project. Please don't ask.
Project Owner Contributor

8 GHz Sampling Oscilloscope

ted-yapoTed Yapo

11.8k
28
7
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A CSI to USB converter using the CYUSB306x chip.
Project Owner Contributor

A CSI to USB converter

matyayMatYay

8.3k
2.3k
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66
EBM - 3D Metal & Ceramic Printer - Electron Beam Melting
Project Owner Contributor

3D Metal & Ceramic Printer

agustin-cruzAgustin Cruz

7.7k
38
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43
A inverted pendulum using arduino and Grove-sensor
Project Owner Contributor

Open-Source inverted pendulum

tony-linTony-Lin

6.2k
43
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An acoustic phased array that is able to create images and videos from sound
Project Owner Contributor

Acoustic Camera

john-duffyJohn Duffy

5.7k
19
3
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Who needs an AIM TTI I-prober 520 when you can make one yourself!
Project Owner Contributor

DRV425 Fluxgate Magnetometer Based Current Probe

ensgoldmineensgoldmine

4.6k
35
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A learning platform for optimizing solar systems energy output through alignment to our suns path across the sky.
Project Owner Contributor

SunTracker 2 Revision 3

frankFrank

4.5k
1.4k
6
35
Hack an optical mouse to detect seismic vibrations with a simple laser source, a hacked mouse lens and a physical cantilever arm setup.
Project Owner Contributor

Low-cost seismograph using optical mouse

subir-bhaduriSubir Bhaduri

4.2k
40
2
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A 4-channel EMG wearable (with a bracelet!) to control stuff with it.
Project Owner Contributor

uEMG - small 4-channel EMG wearable device

ultimate-roboticsUltimate Robotics

3.1k
3.3k
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How to generate frequencies below 10Hz using a PC, an amplifier, and a handful of components.
Project Owner Contributor

Extreme Low Frequency Signal Generator

joseph-eoffJoseph Eoff

2.3k
16
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<$10. <10μm repeatable. >10kg capacity. Laser-cut 1/8" hardboard. For 100mm x 6mm rod, but semi-parametric. Handwheel or stepper drive. CAD.
Project Owner Contributor

A Cheap Compact Linear Slide

paul-mcclayPaul McClay

2.2k
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A PDM to USB microphone using RP2040.
Project Owner Contributor

mico

mahesh-venkitachalamMahesh Venkitachalam

1.5k
21
4
22
Forearm Muscle-Based Finger Tracking Device
Project Owner Contributor

Open Muscle Finger Tracking Sensor

turfptaxTURFPTAx

1.2k
15
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Using scientific inquiry to diagnose and fix a laser cutter problem
Project Owner Contributor

Laser cutter ragged edge problem

peter-walshPeter Walsh

1.1k
15
4
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Homemade digital oscilloscope and spectrum analyzer, LCD display, 2.5 MHz sampling rate, 1 MHz analog bandwidth
Project Owner Contributor

Handheld oscilloscope and spectrum analyzer

mirel-paunMirel Paun

784
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Minimalistic AC/DC circuits online simulator wriiten in Go
Project Owner Contributor

FoxySim - online AC/DC circuit simulator

alexey-voroninAlexey Voronin

348
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A spectrometer with a sub-nanometer resolution that can see your laser's spectral fingerprint and watch it change colors.
Project Owner Contributor

Testing Lasers with a High-Resolution Spectrometer

wnodvikwnodvik

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Alexey Voronin wrote 01/18/2021 at 08:23 • point

Thanks for following my #FoxySim - online AC/DC circuit simulator !

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