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Fun with Arduino

Arduino Starter Kit and More

Tag: analog

Fun with Arduino 15 LED dimmer with Pulse Width Modulation, analogWrite()

ImageFebruary 17, 2019February 22, 2019 RudyBLeave a comment

We have used analogRead() to measure the voltage on an analog input pin. Arduino also has the opposite function available: analogWrite(). This name is misleading though. The analog inputs are ‘real’ … the applied voltage is measured by a 10 bit A/D converter. But the Arduino does not have a D/A converter on board. An […]

Fun with Arduino 12 Analog Input, analogRead(), Change Range, map()

ImageFebruary 7, 2019February 22, 2019 RudyBLeave a comment

Now that the User Interface based on keyboard input is working (see video 11) we’ll now focus on the other solution we promised our customer, the Tech Company: a rotating knob on the switch panel. We have a couple of options … we can use an analog potentiometer, or a digital rotary encoder. I made […]

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Recent Posts

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