Time Circuits Wall Clock

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

Final result:

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.

As for the 3D-printed parts: The three enclosures were glued together using industrial duct tape, with an offset of about 0.5cm (0.2in) to make the clock not too deep. On the back, I cut out some space for the control board.

The clock has an additional speedo display top left, a temperature and a light sensor. The speedo display is an Adafruit 14-segment LED Alphanumeric Backpack (1910) with only two segments soldered on; the temperature sensor is an Adafruit MCP9808 (1782), and the light sensor is an Adafruit VEML7700 (4162).

There are three i2c breakouts on the control board, and they are used as follows:

• the three displays are connected in parallel to a "hub" with 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 i2c socket on the control board, cable length is about 20cm (8in).

The Enter key is made of a small PCB with a computer key switch soldered on, and a keycap on top. The white LED is housed in a Signal Construct SMK1089 LED holder.

Apart from the other LEDs, I also removed the volume pot from the TCD control board; it protrudes unnecessarily, and it would be inaccessible.