Remember the days when you would sit listening to WWV time signals on your shortwave radio (tick, tick, tick…At the tone, the time will be…)
Rechargeable timer with battery level monitor. Countdown display and buzzer to signify time up/end of turn. Set duration stored in EPROM.
Using 60 LED's facing a suitable wall, the time is projected in colour.
A clock that uses a head-up display making the time appear to float above the base.
Use this astronomical clock to automatically control light fixtures.
Ever wanted to make an anything RC on a budget? This tutorial walks you through how to make a simple, low cost RC controller with Arduino.
Wi-Fi connected desk clock with RGB panel, controls IR and Wi-Fi based switches to control AC appliance via IR or Internet to save power.
A micro weather station that shows date, time, temperature and 3 day weather forecast.
Working principles of rotary encoder are demonstrated here.
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).
Arduino Matrix Clock Prototype by HustleKing, you can set the time/date and switch between time/date.
Stopwatch with start/pause/lap/reset functions built with Arduino uno, LCD and two switches.
A decent and very cheap office entrance door alarm system to keep track of every person's entry or departure.
Custom digital clock using all available resources of a 16x2 LCD to make it look good.
Learn how to make a precisely adjustable timer with a variable delay from 1 - 100 seconds that uses the 555 IC.
A short, simple project about a clock made with an Organic LED display and DS1302 RTC clock module, for ex. to use in full-screen game...
An alarm clock that can be controlled by means of a smartphone application over BLE.
A simple talking clock using Arduino Uno and Talkie Library
How to build an Arduino-based big LCD clock with two alarms and temperature monitor controlled by IR TV remote.
Yet another clock, with 12 and 24 hour mode, alarm and stopwatch using my own library (included) for controlling a 4x7 segment display.
A hard coded Musical Alarm clock built with the NXP's Kinetics K20 micro-controller provides you with an amusing GUI to play around with.
The Convertible LED Matrix Clock is a new take on designing LED displays. Its design allows it to be converted into two different modes.
You will learn how to create an hour meter with the Arduino and store the hours on the SD Card.
In this project, we will build a tiny internet clock connected to your wifi to get time from NTP servers.