Circuits & Schematics Domestic: clock

1. MakerBot Watch - portable Arduino environment
   Circuits Domestic MCU Open-Source Platforms Microcontrollers Usage Arduino
   .. lots of support #defines,MakerBotWatch.cpp source for MakerBotWatch class defintions,watch_test.pde test sketch for simple clock using MakerBotWatch class, MakerBotWatch_V1.1.h a slightly modified header file, MakerBotWatch_V1.1.cpp a ...
   23-12-2011

2. Infra Red Switch
   Circuits Domestic
   .. a bistable. Any version of the 7474 may be used, i.e. schottky 74LS74, high speed 74HCT74 etc. The input is applied to the clock pin, the inverted output fed back to the data input and clear and preset lines are tied to ground. For every ...
   30-01-2010

3. Automatic Room Lights
   Circuits Domestic Light
   .. Thus green LED portion of bi-colour LED is lit momentarily. The same output is also coupled to IC3 for which it acts as a clock. With entry of each person IC3 output (high state) keeps advancing. At this stage transistor pair T3-T4 cannot ...
   01-07-2009
4. XXI Century Sundial - Now for Arduino also
   Circuits Domestic Laser MCU Open-Source Platforms Microcontrollers Usage Arduino
   .. necessary to drive it, the servo. The power supply comes from a 5Volt wall adapter. The micro controller runs a real time clock. Time is converted into minutes from 1:00 hours and converted in PWM pulse which is suitable to drive an RC ...
   10-06-2009
5. The Tuxgraphics AVR NTP Clock
   Circuits Microcontrollers Usage Domestic
   .. and can be implemented in a Microcontroller. Using the tuxgraphics ethernet board and a LCD display we build a nice clock which gets time and date via NTP. Just attach it to you DSL router! A NTP client So far we have only ...
   13-05-2009
6. Mars Clock
   Circuits Microcontrollers Usage Domestic
   .. LCD module with backlight, a weird 16 button keyboard, and a PIC16F877A microcontroller gathering dust? A monster Martian Clock immediately springs to mind. You are probably thinking There are hundreds of PIC clocks on the Net - do we need ...
   04-05-2009
7. The Orton Moon Clock
   Circuits Measurement Domestic
   .. I have a moon fixation? Well, I probably have - I suspect it's a feminine thing (Less of that!) What is described here is a clock with a single hand that indicates the current moon phase. It is based on a cheap clock as can be bought for ...
   12-02-2009
8. 3 Meter Clock. Internet connected clock that displays the time using three analog panel meters
   Circuits Arduino Domestic Measurement MCU Open-Source Platforms Microcontrollers Usage
   An Arduino board, an Ethernet Shield, a Proto Shield, and 3 Analog Meters What time is it? It's 7:46:41 Well, at the time I took this picture it was.. A month or so ago, a friend of mine introduced me to the Arduino Board. It's an ...
   27-05-2008
9. One Second Timebase From Quartz Clocks
   Circuits Domestic Oscillators
   .. in china) after a while. The gears loses lubrication and the dust gets the job done. Fortunately, the electronics of the clock works for many years without problem, so you can hack a quartz clock to get a timebase generator. Here is the ...
   02-04-2008
10. The Turing Alarm Clock
    Circuits Microcontrollers Usage Domestic
    .. or off buttons in my sleep. The problem was that alarms are too easy to turn off, and so I set forth to create an alarm clock that challenges me to prove that I am awake. How should it challenge me? Well, I'm from a math background, so ...
    20-02-2008

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