Posts Tagged ‘clock’

Binary clock

Thursday, October 6th, 2016

Frederick Vandenbosch made a binary clock with Raspberry Pi Zero and Unicorn pHAT. He documented the whole process on his blog: At the center of the project are a PiZero and a Unicorn pHAT. The PiZero fetches the time, converts it to binary and controls the Unicorn pHAT with a...

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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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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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Linux-based clock radio

Wednesday, November 26th, 2014

An open-source Linux-based clock radio from SpriteMods: Ofcourse, a nice PCB with a powerful processor and a nice display only is scrap without the software: especially in this case, it pretty much defines what the device does. While developing the hardware, I already had made the decision to go with Linux and OpenWRT...

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Simple xtal oven for accurate clocks

Thursday, July 3rd, 2014

From the comments on our earlier HP 5350B OCXO repair post, a temperature controlled OCXO xtal oven: This is a very simple and easy to make temperature controller and heater to be attached to a xtal (crystal). The xtal is normally used to clock a microcontroller (PIC or ATMEL etc). Normally xtals...

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Posted in hacks, how-to | 1 Comment »

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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Bubble display alarm clock

Monday, June 2nd, 2014

Markus Gritsch build another bedside table alarm clock, the schematic and source code is available here: recently some vintage bubble displays popped up at various places [1][2], so I felt the urge to build another bedside table alarm clock, this time a really tiny one, roughly the size of an AAA...

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Posted in project logs | 7 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 »

A small GPS Arduino watch/clock

Thursday, April 24th, 2014

Here's Oscar Liang another Arduino GPS project, he writes: Garlow stands for GPS Arduino Rechargeable Logger OLED Watch. The device gives GPS information which is logged on SD card and shown on a OLED display. It can be carried as a watch or simply used as a GPS data logger. The whole...

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Posted in Arduino, clock | 5 Comments »

Battery powered LED Matrix clock project

Monday, March 10th, 2014

cburns shared his LED Matrix clock in the project log forum: My latest electronic project, the LEDC which is a LED Matrix clock. It’s the size of a standard business-card, and battery powered. I wanted something that would sit on the desk and I thought, why not use business card holder?...

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Add functions to your Dotklok: Remote control

Thursday, March 6th, 2014

Boris Landoni  from Open Electronics writes about the Dotklok's new feature, the addition of a remote control. We wrote about it previously here: The latest variation is the addition of a remote control, implemented with a few lines of code. This function allows you to read the signals sent by the common IR...

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Color wordclock project

Monday, March 3rd, 2014

EverLost shared his color wordclock in the project log forum: Display: It is now 2:45pm (Simulated, the RTC part is still WIP...) I am always fascinated with exotic clocks. You may have came across a DIY word clock before (if not, google it). This is my own flavor of word clock. Color,...

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Time plotting clock

Tuesday, February 18th, 2014

A clock that plots time:The Time Plotting Clock mechanism is fantastically simple, 3 tiny servo motors allow the erasable marker to be moved along the drawing surface and raised when no contact with the surface is desired. This allows the pen to write the time. There is also a tiny...

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Turning your Flash Destroyer into a clock

Tuesday, February 18th, 2014

voidptr writes: So ! .... 2 years later, here an update on living with my dangerous Flash Destroyer hack ! First off, front and back picture :o) I added few things since its birth ... A battery for the real time clock, really handy when you reprogram code and you...

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Mini 7-Segment clock V2, part II

Wednesday, February 12th, 2014

Kevin Rye writes about his Mini 7-Segment clock V2 project, we wrote about it previously: Now for the moment of truth. I crossed my fingers and connected a battery pack. Woo hoo! It works! I love that feeling you get when you spend weeks working on a project, it all comes together...

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504 Segment clock, a 7-segment clock done differently

Monday, January 13th, 2014

Bertho  has designed and built this cool 7-segment clock, the 504 Segment clock: At some point I was being silly and got the idea of making a 7-segment clock, but then a bit different. The result became this.  Features include: 72 7-segment displays in three rings; inner (hour) ring 12 displays, middle (minute) ring 24...

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Purpleheart ornamental clock

Friday, November 29th, 2013

Wardy wrote a post on his blog detailing his ornamental clock build: I wanted to use my new Adafruit Neopixel Ring to build an ornamental clock, using this interesting woodworking technique. Plus I figured that my milling machine might make this a feasible prospect. Milling, in my very limited self-taught experience, is...

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Arduino Astronomical clock for automatic light control

Wednesday, November 20th, 2013

Here’s a project log covering the build of  an Arduino Astronomical clock for automatic light control by Paulo Oliveira: My objective with this project was to build a system that, given my latitude and longitude coordinates and the current time/day of the year, automatically calculates the sunrise and sunset times, controlling the...

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Posted in Arduino | 2 Comments »

GPS clock prototyping, Part II

Monday, November 4th, 2013

Kevin Rye posted an update on his GPS clock project we covered previously: It’s been a few months since I worked on the GPS clock. I couldn’t nail down exactly how I wanted it to work. I had a few ideas floating around, as well as a list of what features I wanted...

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Posted in clock | 1 Comment »

Dot-Matrix MSP430 alarm clock update

Tuesday, August 27th, 2013

Markus Gritsch posted an update on his Dot-Matrix MSP430 alarm clock we covered previously: Using the ADC is a good suggestion. Thank you! The clock now has an additional state after turning the flashlight off, where it displays the battery voltage in volt. I also added an additional displaying mode where...

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