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ROFLhoff

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California

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This user joined on 06/06/2023.

My Projects

A self-contained DSO-138 powered with a single li-ion battery.

Portable DSO-138 Oscilloscope

A linear CC-CV charger to handle various secondary lithium chemistries. Built with Op Amps and Comparators.

Op Amp Based Lithium Charger

A Toyota speedometer is kicking and screaming like a toddler while I try to fix it.

Working on a defective speedometer

Projects I Like & Follow

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

Hackaday.io Project

Home Automation Server is a provide a free platform that allow you to control your home from anywhere in the world.

Arduino - Home Automation Server

rui-santos Rui Santos

The 2015 Hackaday Prize

Creating home automation sensors and controllers that can be used around the house forming a mesh network for communication

Home automation using RF mesh network and arduino

Yes! You can now have "Alexa" do what you want, when you want, by using a Raspberry Pi.

Amazon Echo Voice Command Automation

gamaral gamaral

The 2018 Hackaday Prize

Resumer 3D is on Kickstarter now : https://kck.st/2xQmZYK

Magical box for Resuming 3D Prints automatically.

A 3d printed stepper motor clock

Holo clock

ekaggrat-singh-kalsi ekaggrat singh kalsi

The 2015 Hackaday Prize

Simple function generator using an AVR, built from parts I have lying around

Function Generator

the-big-one The Big One

Two hearts are better than one, so why not have five. Quadcore RPI CM4 and a MCU on a single board for true all-in-one 3D printer control.

Sigmoid S7P 3D Printer Control Board

Complete 3.5 kW charging solution for electric vehicles incl. solar, battery and wall-box

JUICEROO - Off-Grid EV charger

dominic-buchstaller Dominic Buchstaller

2x3/2x5 IDC 2.54mm, 2x3 Pogo pin 1.27/2.54mm

AVR-ISP Pogo Pin Adapters

LCR meter, PDF and Gerber file share

AVR Transistor tester, Utsource view

Electroniclovers123

Development Board for the new ATmega4808 Series of AVR Microcontrollers

ATmega4808 Development Board

stefan-wagner Stefan Wagner

Track lateral and vertical movements of a 3D printer via AprilTags. Then, get informed of malfunctions related to motion via Telegram.

IoT 3D Printer Motion & Status Tracker w/ Telegram

kutluhanaktar kutluhan_aktar

A functional and beautiful clock, with dual analog meters to tell time.

Analog Voltmeter Clock

a series of opensource lamps to experiment with and master lighting.

3D Printed Opensource Lamps

Wired doorbell sensor running Firmata that can be used by Home Assistant

Wired doorbell sensor for home automation

Robot Arm Small with Servo Motors for 3D printing 3xMG995R or 996R + 3xMG90 or SG90

Robot Arm BRB-GS5

This is a Dc-Dc converter made using discrete components. The power supply doesn't use any conventional switch mode power supply ic.

Discrete Boost Converter

Bits