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Donnie Agema

Jack of all trades, master of none!

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2 Projects
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donnie-agema
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This user joined on 08/13/2018.

4.4k
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This is project 040108 published in Elektor magazine in October 2004. I just added a few goodies.
Project Owner Contributor

Poor Man's 1GHz Differential Probe

donnie-agemaDonnie Agema

1.6k
8
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Inspired by an invention of Mr. Carlson´s Lab
Project Owner Contributor

Current Limiting Isolation Transformer

donnie-agemaDonnie Agema

40.7k
212
7
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a jumperless (solderless) breadboard
Project Owner Contributor

Jumperless

kevin-santo-cappuccioKevin Santo Cappuccio

8.3k
27
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Turning a piece of electronic waste into a free development board.
Project Owner Contributor

Free Devboard From a Used-up Temperature Logger

arduinocelentanoarduinocelentano

8.2k
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A needed update to an older project.
Project Owner Contributor

A Slim 10x 100MHz-10MHz-1MHz Differential Probe

bud-bennettBud Bennett

5.9k
14
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RNS on FPGA: Revisiting an Unusual Number System for Modern Signal Processing
Project Owner Contributor

Winter, FPGAs, and Forgotten Arithmetic

bertrand-selvaBertrand Selva

1.5k
18
3
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Documenting my efforts to use up the various electronics bits and pieces I've collected over the years.
Project Owner Contributor

Use It Up!

dan-julioDan Julio

1k
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Massively parallel operations in a 64kx1 DRAM from the 1980ies
Project Owner Contributor

Compute In Memory in Ancient DRAM

timTim

845
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A working >1Ghz Differential probe
Project Owner Contributor

1.2Ghz-1.5Ghz Differential Probe

isai-bISAI B

784
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Make a Dobsonian reflector telescope as cheap or as sophisticated as you wish
Project Owner Contributor

DIY Telescope On A Sliding Scale

acvanpacvanp

577
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In this project, I built a simple yet effective variable high voltage power supply using affordable components, offering precise control
Project Owner Contributor

How to make simple Variable HIGH VOLTAGE Power Sup

mircemkmircemk

570
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Authentic replication of T. Townshend Brown's actual experiments.
Project Owner Contributor

High Voltage Electrogravity Experiment

michael-perroneMichael Perrone

554
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This device has some modes built-in, based on Transcranial Electric Stimulation. Including one based on MIT Dormio for influencing dreams.
Project Owner Contributor

M97 (tACS, tDCS interface, dreams influencing)

sylar-robert-jonesSylar Robert Jones

423
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A PCIe card that allows remote power control of a desktop PC via WiFi/Zigbee (no WOL)
Project Owner Contributor

Too Lazy To Press A Button, So I Built A PCIe Card

scavenragescavenrage

416
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Tiny 24-core RISC-V cluster you can hold in your hand — cheap, open-source, and ready to run parallel workloads.
Project Owner Contributor

1.3GHZ for only 10 bucks

rmingonrmingon

327
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Dollar Store Laser Pointer Interferometer
Project Owner Contributor

Dollar Store LEGO Interferometer

dlwortman1dlwortman1

268
2
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A non-intrusive GPIB pass-through adapter exposing all bus lines
Project Owner Contributor

GPIB Tap

dethmer-kupersDethmer Kupers

134
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Universal hacker tool
Project Owner Contributor

System Perseus

adam-skrivanekAdam Skrivanek

116
3
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A professional-looking VFO for your radio projects without spending a fortune on touchscreen, rotary encoder or complex hardware.
Project Owner Contributor

The Ultimate Smartphone VFO ESP32 & Si5351 Wireles

mircemkmircemk

54
2
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Building a Biefeld-Brown lifter, documenting honest results, and asking the question nobody answered about 1957.
Project Owner Contributor

They Went Silent in 1957. Let’s Build the Lifter

kdubbs222Kdubbs222

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