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Josh Kallus

I make home automation devices and other things using ESP32.

Boston, MA

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This user joined on 12/01/2023.

My Projects

A 3D printable target for airsoft that tells you where the hit was

Smart Target

josh-kallus Josh Kallus

Speakers for the shower!

Shower Speakers

josh-kallus Josh Kallus

A jumbotron display you can use at home

Home Jumbotron

josh-kallus Josh Kallus

Projects I Like & Follow

2021 Hackaday Prize

A physical switch for my computer to choose between Linux and Windows

Hardware boot selection switch

stephen-holdaway Stephen Holdaway

Bluetooth transmitters are different and highly integrated modules. Here is the info, to use and select proper module for different purpose.

Bluetooth Transmitter – Chipset, Power, Datasheet

sagar-001 Sagar 001

Run Stremio on Raspberry Pi with a kiosk look

Install Stremio on Raspberry Pi

Supplyframe DesignLab: 2022 Hackada…

EBM - 3D Metal & Ceramic Printer - Electron Beam Melting

3D Metal & Ceramic Printer

agustin-cruz Agustin Cruz

Supplyframe DesignLab: 2022 Hackada…

Wireless USB dongle (868MHz) for home automation to improve the indoor air quality (IAQ)

Fresh air automation by RF usb dongle

Octoshield is a Raspberry Pi shield to help with 3D printing and Octoprint.

Octoshield

goodwin GOODWIN

Tracking the location of Bluetooth beacons using ESP32 and a home made 2.4 GHz directional antenna

Bluetooth Tracker

FFT spectrum analyzer is an test equipment that uses Fourier analysis and digital signal processing techniques to provide spectrum analysis.

DIY FFT Audio Spectrum Analyzer

mircemk mircemk

Using some external software we an easily get the code back from Arduino, but this time the code is in the form of HEX file

How to Get Code/ Program back from Arduino

lithium-ion Lithium ION

How I built an Arduino energy monitor and data logger to collect energy data for different loads and plotted that data using Excel.

Building an Arduino Energy Monitor & Data Logger

sridhar-rajagopal Sridhar Rajagopal

Arduino based high voltage parallel programmer for AVR microcontrollers

AVR High Voltage Programmer 2

dilshan-jayakody Dilshan Jayakody

Battery is dead so the bench supply jumps in

Bench Supply Bluetooth Speaker

mike-szczys Mike Szczys

This is a fully functional keyboard switch... (BETA)

Arduino-"KVM"-Switch

This re-implementation of the pioneering circuit-bending crackle box instrument uses a Soviet-Era power Op-amp in an unusual package

Power Crackle Music by abusing an Unusual Op-amp

adrian-freed Adrian Freed

This is step by step how to build your own simple AM Receiver with filter using GNU-RADIO under Win10

Build Simple AM Receiver GNU-RADIO Win10

A lock and key based on an esp8266 and an Attiny.

Pogo pin lock & key

RDA5807M FM mini-radio with STM32F030F4 controller and 0.91" OLED

RDA5807M FM mini-radio

Supplyframe DesignLab: 2022 Hackada…

Retro clock with seven segment display, WDC65C02 microprocessor and SP0256 voice synthesis chip.

Talking clock

marek-wicek Marek Więcek

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