I started tracking all subway trains one day and completely forgot about it. Several weeks later I had a 3GB large data dump full of all the arrivals for 1, 2, 3, 4, 5, 6, L, SI and GC (the latter two being Staten Island railway and Grand Central Shuttle).
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.