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Martin

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Democratic Peoples Republic of Berkeley
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17 Followers
16 Following
7 Projects
114 Likes
martin
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This user joined on 08/15/2014.

15.8k
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An update on WA2EBY's May/June 1999 QST Homebrew DDF/Radio Direction Finder
Project Owner Contributor

Yet Another Doppler Direction Finder w/ Teensy DSP

martinMartin

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A rectenna is used make LEDs blink.
Project Owner Contributor

Rectenna Powered Blinkin' LED

martinMartin

2.7k
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A light weight, low power LORA GPS Beacon for high altitude ballooning and other tracking duties.
Project Owner Contributor

LORA GPS Beacon for high altitude ballooning

martinMartin

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You get what you pay for!
Project Owner Contributor

Cheap But Crummy 10 GHz Transmitter and Receiver

martinMartin

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I recently tested some popular microwave amateur radio software and found surprisingly bad results. I dug in and found some basic problems.
Project Owner Contributor

AREDN Under Test

martinMartin

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Outdoor POE webservers for the ham bands and and other radio signals from VHF to L-band.
Project Owner Contributor

Raspi Wideband Receiver

martinMartin

View all 7 projects

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Solar powered RP2040 based circuit for transmitting 20 meter and VHF telemetry while circumnavigating the globe at ~50,000'
Project Owner Contributor

High Altitude Balloon Tracker WSPR APRS

high-altitude-ballooningHigh Altitude Ballooning!

08.21.2017 07:00 am PDT - 01:00 pm PDT
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We will watch the eclipse and contest on ham radio - ARRL SEQP
Project Owner Contributor

HackaDay/EBARC Eclipse Meetup Viewing Party

Berkeley, California

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A full-featured Forth-based RTOS for ARM Cortex-M
Project Owner Contributor

zeptoforth

travis-bemannTravis Bemann

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3.1k
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Mission "Wifi" Impossible > Bring Long Range 5G and 2.4 G WiFi Backed By A 1 Gigabit Fiber To The East Brainerd EF-3 Tornado Disaster area.
Project Owner Contributor

Open Sky Anchor WiFi Drone Brings The GIG

josh-starnesJosh Starnes

8.1k
75
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5V daisy chained neon bulbs. For glowing neon lovers.
Project Owner Contributor

Neon Pixels

muthMuth

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This is the starter guide for the 2022 Hackaday Superconference badge, designed by Voja Antonic.
Project Owner Contributor

2022 Hackaday Supercon 6 Badge Guide

lutetiumLutetium

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You can simply write code in Arduino IDE and hit one button to flash the ch55x chip to get code running.
Project Owner Contributor

Ch55xduino

deqingdeqing

3.9k
924
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Angle of arrival 2.4GHz radio signal direction finding
Project Owner Contributor

Micro MUSIC

charlie-smithCharlie Smith

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A simple home brew FM ham radio repeater.
Project Owner Contributor

Simple FM Repeater

kd9kckKD9KCK

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A dual band VHF/UHF module based around two AX5043 radios. Built to work with HAM Radio communications using AFSK and G3RUH modulations.
Project Owner Contributor

VUHF Radio

notblackmagicNotBlackMagic

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15
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DIY cloud chamber using a beefy CPU cooler and a single Peltier module too see ionizing radiation with your own eyes!
Project Owner Contributor

Peltier Cloud Chamber

nuclearphoenixNuclearPhoenix

2.4k
901
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Interface to talk to numerous amateur radios.
Project Owner Contributor

Amateur Radio CAT/CI-V Interface Adapters

bharbourBharbour

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SUMP/OLS compatible logic analyzer firmware for RP2040 boards
Project Owner Contributor

μLA: Micro Logic Analyzer for RP2040

vitaly-domnikovVitaly Domnikov

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An attempt at creating random patterns through sound and light using PRBS
Project Owner Contributor

PRBS-driven sound and light sculpture

eirik-brandalEirik Brandal

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Aren't they stunning?
Project Owner Contributor

Geodesic(k) RGB LED Spheres

whityWhity

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Now your FPGA-based retro computer can have its own mass storage too - just like it did circa 1980!
Project Owner Contributor

Cassette interface for FPGAs

zpekiczpekic

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Would you like a quality stereo microscope for your hobbies, but you can't afford or justify the cost of a new one ? I have a solution.
Project Owner Contributor

Stereo Microscope For Around $100 !

wkfayw_k_fay

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A new power supply and a new tube make this counter viable again
Project Owner Contributor

Vintage Geiger Counter Upgrade

gage-jGage J

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It's not free energy, it's actually a terrible waste of energy.
Project Owner Contributor

"Perpetual Motion" Newton's Cradle

scott-clandininScott Clandinin

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experiments with fast start-up oscillators
Project Owner Contributor

Gated Ring Oscillators

ted-yapoTed Yapo

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Bharbour wrote 07/07/2020 at 18:37 • point

Thanks for liking my #Amateur Radio CAT/CI-V Interface Adapters project!

  Are you sure? yes | no

Michael wrote 04/24/2020 at 22:59 • point

I'm lost in trying to figure out how to reach out to you, Martin. I'd love to know more about your doppler RDF switcher and antenna PCBs! I have a WA2EBY Ramsey unit built but would really like to RDF 70cm and as built, the switcher has a lot to be desired!  Thanks k2mpw@yahoo.com

  Are you sure? yes | no

Jacob Still wrote 06/29/2019 at 04:52 • point

Hey Martin, thanks for following #DIYTIL311 !

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