References
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How to make Animation on NeoMatrix
What is NeoMatrix? NeoMatrix is a grid lined up with mutiple Neopixel. Neopixel is addressable LE...
How to make Animation on NeoMatrix with Processing
Controlling NeoMatrix with Processing This tutorial is a follow-up to the last NeoMatrix animatio...
Using a Monochrome 1.3" 128x64 OLED display
What is the OLED monochrome display? The OLED monochrome display is a small (tiny) and high-reada...
Using a TCS34725 RGB Color Sensor
What is the TCS34725 RGB Color Sensor? The TCS3472 sensor provides a digital return of red, green...
DFRobot Sensor Testing: HX711 Weight Sensor, Voice Recorder Module Pro, Speech Synthesis Module V2
We tested a few DFRobot sensors by following their tutorials. Before you jump into using these se...
How to use DFPlayer mini to play MP3
What is a DFPlayer? 11/2024 Update A new library added below. For people trying to avoid delay()...
Using Arduino Leonardo to send USB MIDI data
One of the secrets of Arduino Leonardo is the in-built USB MIDI support. This is really useful fo...
Using an MFRC522 RFID reader
What is an MFRC522 RFID reader RFID means radio-frequency identification. RFID uses electromagnet...
Using an PN532 RFID reader
What is the difference between an PN532 RFID reader and an MFRC522 RFID reader The PN532 and MFRC...
Using a HC-SR04 distance sensor
What is the HC-SR04? The HC-SR04 is a ultrasonic distance sensor, it uses ultrasound to send out ...
Introduction
This chapter is designed for complete beginners who are new to working with physical computing an...
Using built-in example code and Reading the hookup diagram
1. Upload example code Open a built-in example, Blink, and upload the code. 2. Blinking Orange L...
Touch sensor - with No Sensor!
What is Capacitive Touch Sensing? Simply put, it is the touch sensing of all conductive materials...
Using Smartphont to Read NFC tag
What is NFC? NFC (Near Field Communication) is a short-range wireless technology that allows two ...