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Archive for the ‘clock’ Category

Linux alarm clock

Wednesday, May 25th, 2016

Benoit Frigon wrote an article detailing his alarm clock running Linux project, that is available on github: This is the display i made for my alarm clock project. The first version was a 24x7 LED matrix but later changed the design for a four digits seven segment display. I decided...

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Posted in clock | 1 Comment »

MSP430 VFD clock – Manhattan style

Tuesday, May 10th, 2016

Daniel has a nice write-up about building his Manhattan style VFD Clock based on the MSP430G2553 microcontroller and the MAX6921: I know that and IV-18 based clock isn’t anything original. In fact, Adafruit used to sell a kit for this exact purpose. I don’t really care that it’s not original,...

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Posted in clock, MSP430 | No Comments »

T-baneklokke – coundown clock

Saturday, May 7th, 2016

Joakim made a coundown clock for his wife and documented the whole process on his blog: The clock is built using an Arduino, and has a battery powered real time clock to remember the time while powered off. To make it truly stand alone I added the possibility to set the time...

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PIC24 bedside table alarm clock

Thursday, October 8th, 2015

Markus Gritsch posted pictures of his PIC24 bedside table alarm clock in the project log forum: Another year, another clock, but for the first time for my alarm clocks. I am not using an MSP430 but a PIC24 instead. Standby current is with 5.5 µA only slightly higher than that of my MSP430...

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Posted in clock, project logs | 21 Comments »

Mini 7-segment clock v3

Monday, June 29th, 2015

Kevin Rye has written an article detailing his new Mini 7-segment clock v3.  We previously covered version 1 and version 2: I hope the LEGO minifig gives you a good sense of scale. This clock is pretty small. It's amazing how small the Mini Clock has become after just 3...

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Posted in clock | 3 Comments »

Open source binary wristwatch

Tuesday, March 10th, 2015

Jordan aka njneer made this cool binary watch project, that is available at Github: I’m pretty proud of this project; the clasp is a ribbon cable that doubles as the programming interface for the PIC microcontroller that drives everything. The time is displayed with superbright LEDs that are blinding at 15 mA, which...

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Posted in clock, open source, PIC | 2 Comments »

GPS clock assembly, part III

Monday, January 26th, 2015

An update on Kevin Rye's GPS clock project we covered previously: I've been working on this clock for a long time, and a lot of effort has been put into it. I've learned so much from this project. I do have to admit some parts of the code aren't as...

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Free fun flexible watch

Monday, October 20th, 2014

F*watch team writes: F*watch is a fully open electronic watch project featuring an integrated GPS receiver. The development started at CERN as an after-work project to make a special present for a retiring colleague who likes hiking and timing. The full design (electronics, mechanics and software) is available under free...

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Posted in clock, open source | 3 Comments »

Flashing a Nixie with an Arduino

Friday, October 3rd, 2014

Kevin Rye writes: I’m in the very early stages of prototyping a nixie clock. I picked up some MJE340 power transistors to switch on some IN-3s. I can then use a digital pin on my Arduino to turn on the IN-3s through the transistor. I’ll then have myself a blinking...

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Posted in Arduino, clock | 1 Comment »

MSP430 propelled pendulum clock

Tuesday, September 30th, 2014

DickB over at the 430h forum built this cool MSP430 propelled pendulum clock: This pendulum clock is not only regulated by the pendulum, but it is driven by it.  A hidden magnet in the pendulum swings past a hidden coil and induces a current.  This is detected and then a current...

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Hard disk drive clock with Arduino Uno

Tuesday, September 9th, 2014

ACVoltage  wrote this instructable detailing his DIY POV clock using hard disk drive and Arduino Uno: This is a fun project that can be done easily and also cheaply. In this instructable we will explain step by step how to make this beautiful POV clock. Used material: -Arduino Uno, -Tiny RTC modul, -ULN 2003,...

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DIY word clock

Wednesday, September 3rd, 2014

Want to build your own world clock? Check out Wouter's DIY word clock instructables: ...I have found one DIY project that really stands out: Elektronika.ba's wordclock, proving that it is possible to build your own wordclock that is as pretty as the original.  Also, here is a video of the...

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Voltmeter clock project

Friday, August 8th, 2014

Here's a voltmeter clock project based on a multimeter clock design by Alan Parekh: I have used three voltmeters and mounted them on a wooden plinth with a clear Perspex cover to give the clock an industrial look. I have modified Alan’s code to run on PICBasic Pro version 3....

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DIY Binary clock in an old hard drive shell

Thursday, August 7th, 2014

x2Jiggy wrote a post on his blog detailing the build of his DIY binary clock: This clock uses a minimalist design constructed in the shell of an old hard drive. A DS1307 Real Time Clock (RTC) module keeps accurate time while an ATMega328 (with Arduino bootloader) microcontroller determines which LEDs should be...

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Nixie tube clock

Thursday, July 10th, 2014

Tom Cousins of DOAYEE made this DIY nixie tube clock: Below is the schematic for the project, as you can see I’m using 6 IN12 nixie tubes, each with it’s own 74141 nixie tube driver. These drivers are great! They simply connect directly to the nixies and display whatever 4 bit...

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Posted in clock, DIY | No Comments »

XMega series: Clock system

Wednesday, July 2nd, 2014

Shawon Shahryiar's second post of the XMega series is about the clock system,  he writes: There are several clock sources that XMega micros can use as clock. These are both internal and external clock sources. As stated earlier, clocks are not set by fuse settings unlike traditional Mega AVRs, they are...

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Arduino clock generator + divider experiment

Monday, June 16th, 2014

[embed]http://www.youtube.com/watch?v=T863DeV31MM[/embed] John Slee writes: Anyway, I decided to try to make my own clock divider. Didn't take long to get something working, and you can see the results in the video above. The genuine Arduino Uno is generating a simple square wave on pin 13, which you can observe with...

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Posted in clock | 1 Comment »

Mechanical ball clock

Wednesday, June 11th, 2014

[embed]http://www.youtube.com/watch?v=UHBHCsrqYMw[/embed] In this video Turnvater Janosch demonstrates his homemade mechanical ball clock: The clock runs for 12 hours, driven by a weight of 2.5 kg sinking approx. 1 meter during that time..Every minute a marble is lifted up and goes down a marble run with three flipping traps that count marbles for...

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Posted in clock, DIY | 1 Comment »

LCD clock version 2 – part II

Tuesday, June 3rd, 2014

Here's an update on Kevin Rye's LCD clock we covered previously.  Source files are available here, for direct download LCD-Clock-V2-Source.zip: Once all the components and headers were soldered in, I attached my Arduino and configured it as an ISP. I then burned the bootloader for an Arduino Uno. I then connected my FTDI...

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Posted in Arduino, clock | 4 Comments »

LCD clock version 2 – part I

Friday, May 30th, 2014

Kevin Rye posted an update on his LCD clock project: Now that I’ve spent some time working with SMD Atmegas, I decided to redo the PCB to make it all SMD. By moving the Atmega to the SMD version, I picked up some additional space on the PCB. That allowed me...

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Posted in Arduino, clock | 4 Comments »

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Recent Comments

  • Dave B: Got two of them. If you let the battery run flat, they don't charge! You have to pull the battery, and get enough charge in...
  • Bill F: My turn?
  • Chris: Ok!
  • Bob: Free PCB for me!
  • Blars: Yet another meaningless comment.