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How to use a relay module

Physical Computing Tutorials

What is relay? A relay is a switch that opens or closes electrical circuits when activated by a s...

Updated 1 month ago by Joanne Leung

Using a Monochrome 1.3" 128x64 OLED display

Physical Computing Tutorials

What is the OLED monochrome display? The OLED monochrome display is a small (tiny) and high-reada...

Updated 1 month ago by Joanne Leung

How to use Grove Serial Bluetooth v3.0

Physical Computing Tutorials

What is Grove Serial Bluetooth v3.0 Grove - Serial Bluetooth is an easy-to-use module compatible ...

Updated 1 month ago by Joanne Leung

How to use MatrixPortal M4

Physical Computing Tutorials

What is MatrixPortal M4 The MatrixPortal M4 is a development board created by Adafruit designed t...

Updated 1 month ago by Joanne Leung

Using MatrixPortal M4 for animation

Physical Computing Tutorials

How to use MatrixPortal M4 for animation We have another tutorial for setting up the MatrixPortal...

Updated 1 month ago by Joanne Leung

Using AVR ISP MKII to upload firmware to Arduino

Physical Computing Tutorials

What is AVR ISP MKII? The AVRISP mkII is a USB-based In-System Programmer (ISP) used to program A...

Updated 1 month ago by Joanne Leung

DFRobot Sensor Testing: HX711 Weight Sensor, Voice Recorder Module Pro, Speech Synthesis Module V2

Physical Computing Tutorials

We tested a few DFRobot sensors by following their tutorials. Before you jump into using these se...

Updated 1 month ago by Joanne Leung

Controlling an actuator with a N-channel Mosfet

Physical Computing Tutorials

What is Mosfet? A MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is a type of transis...

Updated 1 month ago by Joanne Leung

How to control Arduino without using delay()

Physical Computing Tutorials

What is a delay()? We have a tutorial about delay() and how to code without using it. Here we wil...

Updated 1 month ago by Joanne Leung

Using an PN532 RFID reader

Physical Computing Tutorials

What is the difference between an PN532 RFID reader and an MFRC522 RFID reader The PN532 and MFRC...

Updated 1 month ago by Joanne Leung

(MAC) How to use Phomemo Thermal Printer M834

Physical Computing Tutorials

What is Phomemo Thermal Printer M834? Phomemo M834 thermal portable printer that can print black ...

Updated 1 month ago by Joanne Leung

How to hack a brainwave EEG toy - Force Trainer II

Physical Computing Tutorials

What is a NeuroSky Brainwave? NeuroSky Brainwave is a technology that uses EEG (Electroencephalog...

Updated 1 month ago by Joanne Leung

Using a Membrane Potentiometer (SoftPot)

Physical Computing Tutorials

What is a Membrane Potentiometer? A Membrane Potentiometer is a type of position sensor that meas...

Updated 1 month ago by Joanne Leung

Making a Force Sensor/ a Button with Velostat & Conductive Fabric

Physical Computing Tutorials

What is a Velostat and Conductive Fabric? Velostat (a.k.a. Linqstat) is a thin, flexible, pressur...

Updated 1 month ago by Joanne Leung

Touch sensor - Using an CAP1188

Physical Computing Tutorials

What is the CAP1188? The CAP1188 is an easy-to-use 8-channel capacitive touch sensor breakout boa...

Updated 1 month ago by Joanne Leung

Using Smartphont to Read NFC tag

Physical Computing Tutorials

What is NFC? NFC (Near Field Communication) is a short-range wireless technology that allows two ...

Updated 1 month ago by Joanne Leung

Using NFC Tools to Read/Write NFC tag

Physical Computing Tutorials

What is NFC Tools? NFC Tools is an app which allows you to read, write and program tasks on your ...

Updated 1 month ago by Joanne Leung

How to use 7-Segment LED Backpack

Physical Computing Tutorials

What is 7-Segment LED Backpack? This version of the LED backpack is designed for these big bright...

Updated 1 month ago by Joanne Leung

How to use a Servo Motor

Physical Computing Tutorials

What is a Servo Motor? A servo motor is a rotary actuator that allows for precise control of angu...

Updated 1 month ago by Joanne Leung

Radio Communication: How to use APC220 Radio Data Module

Physical Computing Tutorials

What is APC220 Radio Data Module? The APC220 Radio Data Module is a compact, low-power, wireless ...

Updated 1 month ago by Joanne Leung