Andre Broekman, a Civil Engineering PhD candidate at the University of Pretoria, has developed touch-sensitive concrete — a technology that could transform home and business security in South Africa.
Wynand Steyn, head of the Civil Engineering department at the University of Pretoria, told MyBroadband that it could be adapted to send an alert — to you or your security services — as soon as someone touches your boundary wall. The technology also has the potential to replace internal alarm systems by implementing it in the flooring of a building.Broekman explained that the technology could also be used to aid the visually impaired. His prototype keyboard has tactile concrete keys engraved with symbols.
Dubbed the Raakcrete, the keyboard macros include selecting, cutting, copying and pasting text, opening the task manager, and opening the cryptocurrency exchange Binance. When it comes to hardware, the keys sense contact through a capacitive touch sensor that measures changes in capacitance across the concrete medium.
I think hackaday readers would also be interested in this.
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