Arduino UNO R4では、これまでの8bitのATmega328から、32bitのArm Cortex-M4プロセッサへと、大幅なCPU性能の向上が図られました。ルネサス製RA4M1という日本のメーカーのCPUが採用されたという点でも喜ばしいことです。 今回は、Arduino UNO R4に1.5inch OLEDモジュール(waveshare ...

J2-6 SDI(MOSI) LCD SPI bus write data signal J2-7 SCK LCD SPI bus clock signal J2-8 LED LCD backlight control signal (high level lighting, if you do not need control, please connect 3.3V) J2-9 ...

今回は、7セグメントLEDの使い方についてご紹介します。 7セグメントLEDは、デジタルの0～9の数字を表現できるLEDディスプレイです。 本稿ではその基本的な使い方と、応用例としてArduinoを使った電子サイコロの作り方を解説します。 YouTubeでは、7 ...

Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...

There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some text or picture for ...

* them are available to use, HSPI and VSPI. Simply using the SPI API * as illustrated in Arduino examples will use VSPI, leaving HSPI unused. * However if we simply intialise two instance of the SPI ...

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...

GPS/Beidou/Glonass/Galileo/QZSS/SBASに対応したArduino用マルチモード衛星測位＆ナビゲーションモジュール。店頭価格は1,758円 ...