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How to use a rotary encoder

Physical Computing Tutorials

What is a rotary encoder? A rotary encoder is an electromechanical device that converts the angul...

Updated 3 months ago by Joanne Leung

Using the serial monitor and serial logger

Physical Computing Tutorials

What is serial communication? Serial communication is a type of communication between two device...

Updated 3 months ago by Tom Lynch

Using an MFRC522 RFID reader

Physical Computing Tutorials

What is an MFRC522 RFID reader RFID means radio-frequency identification. RFID uses electromagnet...

Updated 3 months ago by Joanne Leung

Using Arduino Leonardo to send USB MIDI data

Physical Computing Tutorials

One of the secrets of Arduino Leonardo is the in-built USB MIDI support. This is really useful fo...

Updated 3 months ago by Joanne Leung

How to send data to Processing from Arduino

Physical Computing Tutorials

What is the Serial Communication? Serial communication is the process of sending data one bit at ...

Updated 3 months ago by Joanne Leung

Touch sensor - with No Sensor!

Physical Computing Tutorials

What is Capacitive Touch Sensing? Simply put, it is the touch sensing of all conductive materials...

Updated 3 months ago by Joanne Leung

Using a Soil Moisture Sensor

Physical Computing Tutorials

What is a Soil Moisture Sensor? The Soil Moisture Sensor measures soil moisture grace to the chan...

Updated 3 months ago by Joanne Leung

Using a Force Sensor

Physical Computing Tutorials

What is a Force Sensor? The Force Sensor senses the resistance value depending on how much it has...

Updated 3 months ago by Joanne Leung

Using L293D IC for motors

Physical Computing Tutorials

What is L293D? The L293D is a 16-pin Motor Driver IC which can control a set of two DC motors sim...

Updated 3 months ago by Joanne Leung

(MAC) Automatic printing with Automator

Physical Computing Tutorials

What is Automator? Apple’s Automator is a built-in Mac feature that allows users to easily “progr...

Updated 3 months ago by Joanne Leung

How to use a Bare Conductive Touch Board with Arduino

Physical Computing Tutorials

What is the Bare Conductive Touch Board? The Bare Conductive Touch Board is a board made by Bare ...

Updated 3 months ago by Joanne Leung

How to use a PIR sensor

Physical Computing Tutorials

What is a PIR sensor? PIR stands for Passive Infra Red and therefore a PIR sensor can etect movem...

Updated 3 months ago by Joanne Leung

How to use a Neopixel strip

Physical Computing Tutorials

What is Neopixel? Neopixel is a name given by Adafruit. Neopixel is an addressable LED, meaning t...

Updated 3 months ago by Joanne Leung

Using a Vibration Motor

Physical Computing Tutorials

What is a vibration motor? Vibration motor is a DC motor in a compact size that is used to inform...

Updated 3 months ago by Joanne Leung

Making Breathing Light with LEDs

Physical Computing Tutorials

What is a LED? LED (Light Emitting Diode) is a semiconductor light source that emits light when c...

Updated 3 months ago by Joanne Leung

How to control Arduino without using delay()

Physical Computing Tutorials

What is a delay()? delay() is a function that pauses the program for the amount of time (in milli...

Updated 3 months ago by Joanne Leung

Using a TCS34725 RGB Color Sensor

Physical Computing Tutorials

What is the TCS34725 RGB Color Sensor? The TCS3472 sensor provides a digital return of red, green...

Updated 3 months ago by Joanne Leung

How to use DFPlayer mini to play MP3

Physical Computing Tutorials

What is a DFPlayer? Replacing DFplayer Mini Since this old model is not the most stable and ...

Updated 3 months ago by Joanne Leung

How to make Animation on NeoMatrix

Physical Computing Tutorials

What is NeoMatrix? NeoMatrix is a grid lined up with mutiple Neopixel. Neopixel is addressable LE...

Updated 3 months ago by Joanne Leung

How to build a Simple Robot Arm with Servo Motor and Joystick

Physical Computing Tutorials

How to construct a robotic arm? A simple robotic arm is basically like a human arm which consists...

Updated 3 months ago by Joanne Leung