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RGB-LCD display and camera
04/25/2016 at 09:08 • 0 commentsThe Grove LCD display is hooked up to the RPi grove adapter and a 640x480 pixel cheap camera is attached to one of the USB ports. Images are captured via opencv and sent to the Microsoft Computer Vision API for captioning. The results are then displayed on the LCD. The RGB lcd can change colour to reflect gross value/weight as well as display thank you meaasages to people dropping recyclables and total value to people collecting them.
The code for getting the caption from the microsoft AI and displaying them on the LED is available here.
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Testing the weight sensor
04/23/2016 at 03:58 • 0 commentsProving out the capacitance sensor.
Quick test with bricks we can see we get a relative capacitance. The sensor cuts down on the costs normally seen with load cells. We can reduce this further later.
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Examples of motivating recycling
04/23/2016 at 03:51 • 0 commentsThis is a great example by VW of how making things fun makes them work better. We present, the worlds deepest bin:
Thoughts of adding sound effects to show appreciation when bottles are added are coming into the fold.
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Bringing it together
04/23/2016 at 03:46 • 0 commentsA quick snap to understand what is going on.
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Getting the parts together
04/23/2016 at 03:43 • 0 commentsGetting the parts together:
Here we see the PIR sensor for the bottles connected to the GROVE Pi Shield. Additionally the TI capacitance sensor is a low cost implementation of detecting the weight of the bin.
Below is the start of the capacitance weight sensor.
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The Concept
04/23/2016 at 03:32 • 0 commentsThe concept:
Normal bin converted into an awesome socially useful bin.
With the addition of a simple plate on top and some electronics we can improve quality of life.
The plate over the top now shows a slot for bottles. Just below this is a PIR sensor to detect bottles inserted. A light on top indicates how many bottles have been inserted. When the bin is opened the counter resets.
Extending this further is the cheap implementation of a weight sensor at the bottom. This allows data to be collected to see when the optimum time of rubbish collection is approaching.
Low powered internet connection is used to aggregate the data on a cloud server.