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Application effect
When touching the touch sensor, a colour will be chosen randomly by the script, either red, green or blue. Then the
LED will turn on. If the touch sensor is released, the LED will turn off.
LESSON 15: PCF8591 MODULE
Introduction
The PCF8591 module an 8-bit A/D Converter & D/A Converter PCF8591 with four analog inputs, one analog output
and a serial I2C-bus interface.
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