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Una Karlsen

General purpose geek, specializing in Linux and network administration. I dabble in electronics, programming and making things.

Cape Town, South Africa

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This user joined on 07/01/2014.

Projects I Like & Follow

100 MSps 2ch oscilloscope based on Raspberry Pi Pico

RPScope

It's a Walkie-Talkie based around the ESP32. It transmits audio using either UDP Broadcast or ESP-NOW.

ESP32 Walkie-Talkie

Chris G Chris G

I wanted to make a low cost drone with all the bells and whistles, so people working with a small budget can get into the drone game. ~$50

ESP32 Drone

A DIY, kind of portable, desktop USB type C PD charger that features 2 type C PD port at 65W and 100W with 4 USB-A ports support QC 3.0

DIY 65+100W Desktop USB Type-C PD Charger

A digital VU meter that looks and moves like an analog needle with mass and spring oscillations

Digital VU Meter with Analog Physics

sjm4306 sjm4306

A comprehensive guide to making printed circuit board art.

Make Your Own PCB Art

This project has everything I like, hardware, software, electronics. It was one of the first projects where I could integrate all of this.

Cablecam

Maximiliano Palay

If you want to enter FPV world in a cheap way, read these pages !

A poor man's FPV journey

Squeak is a LoRaWAN GPS pet tracker with a very long battery life. It allows you to ask your pets to share their location

Squeak: GPS pet tracker

A picture frame that receives postcards from your friends

Postcard frame

Cameron Cameron

2021 Hackaday Prize

Ultimate Work-from-home Workstation - optimized for days long sitting and coding / board layout work. Without taking much space

Throne of Dev

Peter van der Walt

Supplyframe DesignLab: 2023 Hackada…

Industrial control in a humid environment

Mushroom Growing Control System

Capt. Flatus O'Flaherty ☠

Building a set of controllers for Kerbal Space Program including attitude, translation, throttle and hotkey inputs

KSP Controller Hardware

Future proofing an old soviet Avrora 215 Super-8 camera

Digital Super-8 camera

Wireless Bluetooth Keyboard as Foot Pedal

BluePedal

A UPS using refurbished ("second-life") lithium-ion 18650 cells.

Second Life UPS

Supplyframe DesignLab: 2022 Hackada…

Re-use drinks cans as other things using a purpose-built CNC machine to cut them up.

Can transformer

Supplyframe DesignLab: 2022 Hackada…

Thrifted briefcase, dumpster dived rails, electronics out of an old skiff, panel lasercutted out of a broken frame

Rave in a briefcase

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Bits

JP Gleyzes wrote 12/22/2022 at 09:20

Hi Una,

Thanks for following #A poor man's FPV journey

Are you sure? yes | no

mihai.cuciuc wrote 12/16/2022 at 06:56

Hi, Una! Thank you for your interest in #Squeak: GPS pet tracker

Are you sure? yes | no

Patrick Van Oosterwijck wrote 03/19/2018 at 18:28

Thank you for following my #wESP32: Wired ESP32 with Ethernet and PoE project!

Are you sure? yes | no