Resistors used: Red - 82 ohm, Green - 56 ohm, Blue - 56 ohm. Allowing approximately 20 mA to flow through LED. Cathode (-) pins of RGB are connected to 8-bit PWM pins of Arduino for voltage control.

A simple color picker for controlling the RGB LED on ESP32 boards. Tested on the Arduino Nano ESP32, this project lets you pick a color from a web interface and display it on the onboard or external ...

Arduinoの開発言語といえばC／C++なのだが、近年はMicroPythonのサポートにも力を入れ始めているのはご存じだろうか。まだ実験的な取り組みではあるが、Arduino Nano 33 BLE、Arduino Nano 33 BLE Sense、Nano PR2040 ConnectでMicroPythonが利用できる。すでにMicroPythonのIDEも公開さ ...

2023年7月に登場したArduino Nano ESP32、技適の関係で2023年8月時点では日本はまだ未発売だけど、ボクは中国で入手したNano ESP32を実際に触ってみたよ。ここでは、AVR版のArduino NanoとESP32の違い、Arduino IDEでESP32向けのプログラムを作成するまでの手順、Arduino IoT Cloud ...

A Tech Enthusiast has shared his new open-source project, the 9x9x9 LED Cube, which takes 3D visualization to the next level with its modular design and interactive features. This cube consists of 729 ...

Being able to use one of your old projects to make a new one better can be quite satisfying. [Steve] from Hackshed did just this: he integrated an Arduino based webserver into a new network ...

Among quantitative analysis techniques, molecular absorption methods in the ultraviolet/visible region are the most commonly employed in chemical laboratories worldwide. In general, the absorbance ...

So you've already outgrown Arduino's most beginner-friendly board, the Uno, and are looking to move on to bigger, more exciting projects. In that case, the Nano family might just be what you need.