Andrey Ovcharov

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.

104.5k

1,522.7k

2.4k

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

Project Owner Contributor

Hackaday.io Project

lutetiumLutetium

The 2016 Hackaday Prize

43.2k

1.2k

441

Creating and retrieving passwords for all your accounts has never been this easy and convenient!

Project Owner Contributor

Zamek: The Offline Pocket Password Manager

jareklupinskijareklupinski

The 2017 Hackaday Prize

37.8k

3.1k

204

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

Hackaday Prize 2019

34.1k

7.7k

193

An Off-the-grid messaging system.

Project Owner Contributor

Skrypt

taiwoTaiwo

Official Hackaday Prize Entry

30.7k

17.5k

191

This project is a clock with radio receivers which can receive the exact time from the GPS satellites or from the DCF77 transmitter.

Project Owner Contributor

"Connect" to an atomic clock in space! GPS, DCF77

hkdcsfhkdcsf

Hackaday Prize 2019

29.4k

329

302

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

The 2017 Hackaday Prize

20.9k

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

Official Hackaday Prize Entry

16.2k

A home automation solution that utilizes a Raspberry Pi server, 433MHz radios, and an Android app.

Project Owner Contributor

Low Cost Home Automation

daniel-hankewyczDaniel Hankewycz

16k

211

179

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

Project Owner Contributor

Keyboard FeatherWing

arturo182arturo182

Supplyframe DesignLab: 2022 Hackada...

10.3k

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

7.4k

DIY replica of TIL305 5x7 matrix display.

Project Owner Contributor

DIYTIL305

mileMile

6.4k

111

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

Hackaday Prize 2019

6.4k

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 ]

The 2016 Hackaday Prize

301

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

Project Owner Contributor

192:LED

alexAlex

5.8k

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

Project Owner Contributor

192:LED redesign

alexAlex

Supplyframe DesignLab: 2022 Hackada...

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

Project Owner Contributor

RunTinyRun

ridolucridoluc

The 2017 Hackaday Prize

4.2k

886

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

659

A program was created to display a digital clock in a KIM Uno. #IStandWithAhmed

Project Owner Contributor

KIM Uno Digital Clock

arduino-enigmaArduino Enigma

View all

Share this profile

Bits

Become cool instantly

like Andrey Ovcharov and many others

Andrey Ovcharov

My Projects

URU Key

URU Card

USB programmer for ESP8266/ESP32

My Lists

FIDO2

Things I've Built

CO2 Sensor

LED Matrix clock

Projects I Like & Follow

Hackaday.io Project

Zamek: The Offline Pocket Password Manager

Open Radiation Detector

Skrypt

"Connect" to an atomic clock in space! GPS, DCF77

Small Word Clock

ESPMetric

Low Cost Home Automation

Keyboard FeatherWing

Tesla Key Watch

DIYTIL305

WiFi sync precision dot matrix clock

ESP32 video deck

192:LED

192:LED redesign

RunTinyRun

True-Random Number Generator

KIM Uno Digital Clock

Share this profile

Bits

Become cool instantly

Andrey Ovcharov

My Projects

My Lists

FIDO2

Things I've Built

CO2 Sensor

LED Matrix clock

Projects I Like & Follow

Share this profile

Bits

Become a Hackaday.io Member

Send a private message to Andrey Ovcharov

Become cool instantly

Report user as inappropriate