Last year, my uncles asked me to design an electronic table tennis scoreboard. Apparently, what they wanted wasn’t for sale (at least not in New Zealand). Since they’re very enthusiastic about the game, I agreed and created a design. It features: Keeping track of scores, number of games won, and timeouts; Remote control over Wi-Fi…… Continue reading Table tennis scoreboard
Tag: ESP32
Fixing my heating system
The heating system in my apartment building consists of a group of heat pumps that deliver warm water to the underfloor heating system of about a dozen apartments, including mine. During the warm summer months, the system supplies cool water instead. The heat pumps figure out whether to supply warm or cool water, and a…… Continue reading Fixing my heating system
Balancing cube
This cube manages to balance itself on a corner, and can simultaneously rotate around its axis in a controlled manner. It does so using clever controls and a set of three reaction wheels. The original idea for this device comes from researchers at ETH Zürich, who demonstrate their “Cubli” in this video. Its design has…… Continue reading Balancing cube