This build brings together a few other projects to make something potentially quite useful for a change – a parking camera with distance sensor. The feed from the webcam is shown on the LCD with a distance read-out underneath. As you get closer to the object (my hand in the videos) a circle is overlaid on the video which gets larger as you move closer. Once you get to within 30cm of the object the word “STOP” is overlaid and everything turns red.
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2.2″ 18-bit color TFT LCD display with microSD card breakout – HX8340BN – This lovely little display breakout is the best way to add a small, colorful and bright display to any project. Since the display uses 3-wire SPI to communicate and has its own pixel-addressable frame buffer, it can be used with every kind of microcontroller. Even a very small one with low memory and few pins available! (read more)
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