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Time Circuits Wall Clock

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A10001986 edited this page Nov 26, 2022 · 14 revisions

Here are a few photos of my custom Time Circuits Wall Clock.

Final result:

IMG_9612

IMG_9613

The clock replaced a failing QLOCKTWO so I made it the exact same size, 40x40cm (15.75x15.75in).

The body is made from wood; the front is a 6.5mm (0.25in) plywood panel, the rest is made from birch, resulting is a very low weight.

processed-40f4864a-b98b-482a-9e27-5b484d93d226_LMPGnUEC processed-84ba7b18-83d1-4b46-9e31-6df70d2fc600_1shrtVM7 processed-4875de71-211f-466e-ad6c-ee0993443041_foT9rLNA

IMG_9607

IMG_9606

As for the 3D-printed parts: The three enclosures were glued together using industrial duct tape, with an offset of about 1cm (0.4in) to make the clock not too deep. On the back, I cut out space for the control board.

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The clock has an additional speedo display top left, a temperature and a light sensor.

IMG_9608 IMG_9609

The images don't show the final cabling. I had some transmission issues due to bus length, so I made some changes; there are three i2c breakouts on the control board, and they are used as follows:

  • the three displays are connected to a "hub" (3 JST XH sockets on a small PCB plus soldered-on cable to the control board's first i2c socket);
  • the temperature and light sensors are daisy-chained, and the cable does not exceed 20cm (8in) from the control board's second i2c socket to the last sensor;
  • the speedo display is on the third and last i2c socket on the control board, cable length is about 20cm (8in).
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