Departure Timer: a Chrome Extension That Tells You When to Leave for Your Train
November 2, 2026
A free, open source Chrome extension that shows the minutes left before you must leave for your next NS train.
Building a Smart Train Departure Countdown Display with ESP32
May 5, 2026
A wall-mounted MAX7219 dot-matrix display on an ESP32-S3 that counts down to when you need to leave — not when the train departs.