An accurate clock with date displayed on a 16x2 LCD using just the Arduino, the display and few buttons. No RTC module required.
Project tutorial by paulsb
A simple to build clock with many features.
Project tutorial by Mirko Pavleski
This project is similar to my previous one but uses the FHT library which turns out to be at least 4 times faster than the FFT.
Project tutorial by janux
Designed for crew rowing, this speedcoach is designed to track split times and total meters traveled.
Project in progress by rowingtechinnovations
2 x 16-band audio spectrum analyzer with Arduino Nano and 2 x 16 chars LCD display. This project is based on Shajeeb's project.
by shajeeb and ThomAce
An alarm clock showing the Jewish (Hebrew) date, the Gregorian date, current time, time of nightfall, sunrise, etc
Project showcase by 1040tax
A very useful project, made to monitor system resources without opening Task Manager.
Project showcase by thesahilsaluja
Complete tutorial on how to control 8x8 Matrix when you do not want to use driver chips like MAX2719 and corresponding Libraries.
Project tutorial by mdraber
Small size code and simple hardware.
Project tutorial by M.V.P.
Park in your garage with perfect consistency! No more hitting the garage door or workbench!
Project showcase by typalowski
Another one of the series of unusual clocks I made.
Video tutorial by Mirko Pavleski
Project is showing simple stopwatch with start, stop and restart. It's a great project for learning how to use LCD with Arduino UNO or NANO.
Project tutorial by TechWithZan
Complete Digital Clock including many features: Alarm, Temperature, Humidy, Dew Point, RTC and PIR (Presence Infrared Sensor).
Project showcase by LAGSILVA
Modified exisiting project to include some sensors and extra buttons. Can use ESP01 to set time via NTP.
Project tutorial by Ratti3
FFT spectrum analyzer is a test equipment that uses Fourier analysis and digital signal processing techniques to provide spectrum analysis.
A nice looking clock and thermometer on a large 128x64 LCD screen.
A simple setup using an Arduino Nano and an LCD Keypad Shield to set the date, time and alarms for a DS3231 Real Time Clock (RTC).
Project tutorial by guy-l
A digital clock using minimum components.
Project showcase by garysat
An analog/digital clock using Arduino Nano, DS1307 & Nokia 5110.
A simple to build LED matrix flip clock.
A simple countdown timer that makes you wash your hands for at least 20 seconds.
Project tutorial by The Tech Lab
Arduino stopwatch and lap timer with excelent accuracy and responsiveness!
An Arduino based word clock that tells the day of the week, the month, day and year and the time to the minute in words.
Nice looking wooden analog style clock with Arduino Nano and 1mA ammeters.
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