So here's the basic premise of our project.
Target Audience: suburban home.
Situation:
1. A letter (with RFID attached) is dropped into the solar-powered smart post box
2. The letter blocks an Infra-red signal. The RFID is read.
3. A micro-processor sends a message via Bluetooth or SMS to table-top receiver dome.
4. Message is processed by another chip inside the battery-powered dome device.
5. Series of fiber optics or LEDs on surface of dome light up and a tone is emitted.
6. The colour and sound depends on RFID information.
Sustainability:
This system utilises existing technology, potentially a multitude of recycled calculator, mobile phone and laptop parts. The post box itself charges lithium batteries with solar power, and the dome device only requires a couple of batteries. Our group aims to make the system as energy-efficient as possible.
Above is an initial 3-D concept design for the dome device, focusing only on what the user sees. A cross-section view displaying the underlying technology will be available very soon, as well as similar renders of the post box.
Cheerio.
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