NOTE: This is a kit to assemble. It requires soldering both through hole and SMD components. Additionally, you will need to mix and pour epoxy resin for the clock face.

General

The TD-FBUH01A is a small scale (roughly 10 x 15 cm) replica of the iconic Berlin Uhr. The clock can display the current time, in 24h format, thanks to an ingenious set of coloured lights. The colours used in the original are red and yellow, and this is the default colour scheme the face kit is shipped with. Thanks to its 36 RGB LEDs though, you can choose to personalize the clock to your liking.

The TD-M5037 movement gives this clock the ability to keep track of time even when the main power is removed. Additionally, the movement can automatically switch from/to DST (EU rules only), manual switchover is also possible, see TD-M5037 User Manual for all details.

Of course this wouldn't be a geek's item if it didn't come with a serial interface through which you can set the time (buttons time set also possible) and tweak registers to customize colours and operations to your liking. This all happens in glorious 80s assembly/monitor interface style.

Project Info

The project is fully open source (OSHW certifaction ongoing), all code and schematics are available on my TokeiDigital Github.

You can find the manuals for both the clock face and the movement, including usage details and assembly instructions here:

TD-FBUH01A User Manual

TD-M5037A-FW1 User Manual

Product Options

The base kit comes with the 2 PCBs, one for the movment and one for the clock face as well as with all the components needed to assemble both.

You can optionally add the 3D printed clock face frame and a support. The optional 3D printed parts are professionally printed in SLA resin and sanded for a smooth, blemish free finish but, if you are on a budget, you might choose to print at home.

You will need to provide the resin and, if desired, the dyes for it. I chose not to include these in the kit options as it's not economic to ship the products and they are readily available.