Two pictures in a grid of flashing lights
By carefully choosing their frequencies, you can make a grid of flashing lights show two different pictures every now and then.
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Month: May 2022
Recent Posts
- An old barograph
- A “knowledge puzzle” in Harry Potter
- Searching for the magic hexagon
- (Yet another) solver for the Countdown numbers round
- Two pictures in a grid of flashing lights
- Decoding a Morse code Easter Egg
- A modified escapement design
- Binary Email Lights
- Pytch: ‘Scratch-oriented programming’ in Python
- Circular Os and Xs
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