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d.fapinov

audio hobbyist

Russia

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This user joined on 10/23/2025.

My Projects

Capture the full 3D sound field of a loudspeaker and propagate it to any point in space without room acoustic effects

Loudspeaker Acoustic Holography (LAH) Scanner

dfapinov d.fapinov

Projects I Like & Follow

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

Hackaday.io Project

The 2016 Hackaday Prize

Codename Hardpass: A Password Manager on the Raspberry Pi Zero...suffering featuritis.

RPi Zero WiFi-Enabled Hardware Password Manager

Hackaday Prize 2019

Very new chip by Microchip(Atmel) ATmega4809 has a very unique CPLD like logic and also promised to be applied to next Arduino, why not try!

ATMega4809 developing board project

Non-intrusive feedback loop for electrical systems.

Power Monitor

A BASIC computer which generates composite video, reads PS/2 keyboard input and has an 8KB EEPROM IC for saving BASIC programs to.

AVR BASIC Computer V0.1

2021 Hackaday Prize

the FIRST Single-board DIY 8-bit Personal Computer with VGA, Mice, Ethernet and Printer support, GPIO and CP/M powered!

CRISS CP/M 8-bit Homebrew DIY Computer (AVR based)

A fully hardware debounced rotary encoder.

Hardware Debounced Rotary Encoder

The 2016 Hackaday Prize

Decentralized Autonomous Interconnected Systems for Energy Efficiency - A blockchain based energy DAO

[2016] InternetS of Energy - Call me DAISEE

rieul-techer Rieul Techer

Use a Kodak projector and DSLR camera to automate digitizing slide photography

Kodak Slide Projector Scanner

bryan-howard Bryan Howard

BlackIce is the fusion of FPGA & ARM - a low cost open source hardware FPGA dev board bound together with innovative open source toolchain

BlackIce - Low Cost Open Hardware FPGA Dev Board

A couple parted out Kaypro keyboards and a tired old Apple IIc monitor become a resto-mod late 70s looking AVR development workstation

Atari AVR Development Workstation

john-anderson John Anderson

Hackaday Prize 2020

This is the fast ISP programmer for AVRs based on cheap stm32f103c8t6 board.

FASTUSBasp programmer for AVR with usb-to-serial

amitesh-singh Amitesh Singh

An Open Source TOTP based hardware authenticator using ESP32.

Open Authenticator

vedant-paranjape Vedant Paranjape

A modern MCU-based hardware replacement for the venerable TMC1501 used in the Texas Instruments TI-57 LED calculator.

TI-57 Programmable Calculator Hardware Retrofit

using an electret capsule as a speaker to calibrate another microphone

microphone as a speaker .. to cal microphones

Bits