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Martin

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

19.3k
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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

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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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Fully stand-alone HF (Shortwave) Software Defined Transceiver & Vector Network Analyzer. Designed for rugged portable use. Highly hackable.
Project Owner Contributor

PortableSDR

michael-r-coltonMichael R Colton

141.4k
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IP over 430MHz Ham Radio, 50 to 500kbps, 20W RF. Extension for HSMM-Hamnet-AREDN. 100% open-source.
Project Owner Contributor

NPR New Packet Radio

f4hdkf4hdk

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Follow for the 'Hacklet' and latest news about hackaday.io
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Hackaday.io Project

lutetiumLutetium

65.6k
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An outside pole mounted aerial picks up 4G signals which are then filtered, amplified and re-transmitted through a second inside aerial.
Project Owner Contributor

Cell Phone 4G LTE Repeater / Booster / Femtocell

goat-industriesGOAT INDUSTRIES

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CD quality sound processing, integrated with Arduino sketches
Project Owner Contributor

Teensy Audio Library

paul-stoffregenPaul Stoffregen

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A recreation of Samy Kamkar's rolljam attack
Project Owner Contributor

How to hack a car

gonalo-nespralGonçalo Nespral

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A digital clock built with Diode-Diode Logic (DDL), a quirky new logic family using only common diodes and passive components.
Project Owner Contributor

The Diode Clock

ted-yapoTed Yapo

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Increase your privacy and security by exchanging short messages securely. Created by members of hackerspace Sector67.
Project Owner Contributor

NSA Away

scott-hasseScott Hasse

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cordwood + smt + jewelry + blinkies + zinc-air batteries
Project Owner Contributor

cyborg ring

zakqwyzakqwy

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Ever wanted a meteor detector? Interested in radio telescopes? This project is for you
Project Owner Contributor

The tiny radio telescope

paul-scottPaul Scott

26.4k
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Developing a synchronized, flooded mesh network to carry codec2-encoded voice over LoRa
Project Owner Contributor

QMesh: A LoRa-based Voice Mesh Network

dan-fayDan Fay

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An agile radio designed for low power and narrow bandwidths over a wide frequency range.
Project Owner Contributor

level: A New Kind of Radio Module

hunter-scottHunter Scott

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"Scanning Photodiode-array captUre Device" - a digital camera based on TSL1406RS array to capture medium format 0.8MP images.
Project Owner Contributor

SPUD - A self-contained scanner camera

kevin-kadookaKevin Kadooka

26k
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Starting a car with a CR2477 coin cell
Project Owner Contributor

Coin Cell Jump Starter

ted-yapoTed Yapo

25.7k
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I was inspired when I saw clock made by Humans Since 1982. One year ago I made one. Now it is time to share how I did it.
Project Owner Contributor

digital clock made of analog clocks

wojtekWojtek

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Speeding up Search & Rescue by locating the position of emergency radio beacons using an autonomous drone.
Project Owner Contributor

Bloodhound: Autonomous Radiolocation Drone

phil-handleyPhil Handley

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From raw RF samples of the GPS L1 C/A signal to a position fix, in a completely open fashion
Project Owner Contributor

Full Stack GPS Receiver

mike-hamster-fieldMike "Hamster" Field

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Creating a free & open source global IoT network, democratizing access to space by miniaturizing aerospace systems.
Project Owner Contributor

FossaSat-1, Open Source Satellite

julian-fernandezJulian Fernandez

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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!

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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

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

Hey Martin, thanks for following #DIYTIL311 !

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