Source code of various microcontroller demo projects featured on the cahamo website:
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Hall effect sensor demo (targeted at Arduino Uno).
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Rotary encoder demo (targeted at Arduino Uno). Adapted from code taken from the DroneBot Workshop.
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MAX7219 LED matrix demo (targeted at Arduino Uno). Adapted from example code provided with the MD_MAX72xx library.
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"Neopixel" demos - a collection of three demo programs that work with neopixel rings and matrices.
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LCD display demo (targetted at Arduino Uno). Demonstrates how to use LCD displays that are compatible with the Hitachi HD44780 driver using a 16 pin interface.
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TTP223 touch button module demo. Shows how to read the state of the touch button using an Arduino Uno.