Adam's Lab

Custom Ampelmann Traffic Light - “Restoration” | [0038] 🚦

Published: Nov 10, 2019 | Last Modified: Feb 21, 2023

Back in August my wife and I visited several places in Europe, including Berlin, Germany. By far it was my favorite. In all the walking around we did there, we saw a lot of their pedestrian traffic lights with the Ampelmann figure. I really liked them… Unfortunately, I wasn’t able to find a legitimate way to bring one home with me (😀), but in this video I show how I made custom Ampelmann inserts for a US pedestrian signal. It’s not the real thing, but it’s a fun homage to our trip.

The code for the ATTiny85 is the same (less one light) as I used for my standard traffic signal. Also, as with the standard traffic signal, the electronics are simple enough that it didn’t require a schematic. It’s just the ATTiny85 connected to a couple of SSRs (through a current limiting resistor).

Code can be found on GitHub.

SSRs I used: Omron G3VM-201AY1.

5v Power supply I used: CUI Inc. PSK-S5B-5-T.

Couple of notes:

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