Welcome to our project of exploring the
ability to use LDR (light-dependent-resistor) as a camera. The basic principle
is that the value of LDR alters with the variation of light intensity, hence,
this variation can be detected and integrated to generate pixels
(black-and-white or colour).
In this week, we collected the major materials we are going to use which are illustrated in Figure 1 and then figured out the principle of every component, including corresponding pin connection.
In this week, we collected the major materials we are going to use which are illustrated in Figure 1 and then figured out the principle of every component, including corresponding pin connection.
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| Figure 1 |
The first problem we encountered was how to transfer analogue
variation of voltages into images, namely, how to present the colour to
observers. We finally chose to use the software UNITY. The
flow chart of this overall procedure is shown below in Figure 2.
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| Figure 2 |
It is known that a real camera has many
pixels for quality images. It is not practical for us to achieve so many
pixels, hence, we decided to start from one black-and-white pixel in next week and
then develop it gradually to generate more colour pixels.
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