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Andrey Ovcharov

Professional software developer and hobbyist electronics engineer

Germany
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22 Following
3 Projects
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andrey-ovcharov
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This user joined on 07/11/2019.

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1.8k
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URU Key - a biometric FIDO2 Authenticator built with ESP32 / ATECC508A / FPC1020
Project Owner Contributor

URU Key

andrey-ovcharovAndrey Ovcharov

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FIDO2 Arduino Authenticator
Project Owner Contributor

URU Card

andrey-ovcharovAndrey Ovcharov

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USB programmer for ESP8266/ESP32 with Type C connector and reset/boot circuitry
Project Owner Contributor

USB programmer for ESP8266/ESP32

andrey-ovcharovAndrey Ovcharov

FIDO2

Projects related to the FIDO2 authentication

Curated by Andrey Ovcharov

2
0

Things I've Built

CO2 Sensor

Desktop sensor/indicator of CO2 concentration level. ESP8266 + MH-Z19B + WS2812. https://en.ovcharov.me/2019/06/10/carbon-dioxide-sensor-mh-z19b-part-1/

LED Matrix clock

Some time ago I have built LED Matrix clock. The device uses ESP8266 as processing module and receives accurate time from the NTP servers.

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Quickly identify radioactive materials with a pocket-sized ion chamber. Built from standard parts for easy manufacture and low cost.
Project Owner Contributor

Open Radiation Detector

carlos-garcia-sauraCarlos Garcia Saura

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An Off-the-grid messaging system.
Project Owner Contributor

Skrypt

taiwoTaiwo

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I've been in a clock making sort of mood recently and I've seen tons of word clocks so I thought it was time to give it a try
Project Owner Contributor

Small Word Clock

sjm4306sjm4306

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ESPMetric is a matrix LEDs screen driven by an ESP8266 with Arduino. It can be use for smarthome domain or others.
Project Owner Contributor

ESPMetric

faire-soi-memeFaire-soi-meme

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A FeatherWing with a LCD, BB Q10 keyboard and a 5-way button.
Project Owner Contributor

Keyboard FeatherWing

arturo182arturo182

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Embedding a J3A040-CL chip and a custom antenna into a modified Casio F-91W for accessing my Tesla Model 3.
Project Owner Contributor

Tesla Key Watch

mattia-dal-benMattia Dal Ben

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DIY replica of TIL305 5x7 matrix display.
Project Owner Contributor

DIYTIL305

mileMile

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A Max7219 dot matrix clock always at right time. WiFi sync with NTP.
Project Owner Contributor

WiFi sync precision dot matrix clock

erik-tellierErik Tellier

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300
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Extreme tiny (0,68'‘ x 0,68’‘ or 17mm x 17mm) smart RGB LED display/matrix
Project Owner Contributor

192:LED

alexAlex

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Ultra tiny (15.8mm x 14.8mm) smart USB RGB LED display/matrix
Project Owner Contributor

192:LED redesign

alexAlex

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Tiny, solar-powered gaming console driven by an ATtiny10 with a firmware of just 780 bytes.
Project Owner Contributor

RunTinyRun

ridolucridoluc

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This board switches between two video inputs and an internal composite video generator. Complete with a LM1881 hardware sync separator
Project Owner Contributor

ESP32 video deck

e-c-c-0[ E C C 0 ]

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Modern security and cryptography call for a source of true-random numbers. This design creates them from thermal noise in a resistor.
Project Owner Contributor

True-Random Number Generator

tom-andersonTom Anderson

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Using a Google Nest Mini (2ng Gen)
Project Owner Contributor

Pi Zero Wireless Speaker

marcus-bergMarcus Berg

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A 6 digit Nixie Tube Clock with RGB lighting
Project Owner Contributor

Nixie Tube Clock

tobiasTobias

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An ergonomic low-profile 65% keyboard.
Project Owner Contributor

Turbot Keyboard

dehipudeʃhipu

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Use Pimoroni InkypHAT hardware to make dynamic badges.
Project Owner Contributor

InkyPHAT: ePaper/eInk display for badges

charlie-lindahlCharlie Lindahl

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A weather station based on an esp32 and a waveshare e-ink screen.
Project Owner Contributor

IoT eink Weather Station

grgory-paulGrégory Paul

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