note

【初心者向け】Arduino UNO R4でLEDを光らせよう！#1

今回は、Arduino UNO R4を使ってLEDを光らせる方法を解説します。 ELEGOOのLearningキットE3という電子工作キットを使った、初心者でも簡単に遊べるレシピです。 完成品のプログラムも載せているので、安心してください。 ぜひ、最後までチャレンジしてみて ...
EDN

Arduino LED Fader

I have spent at least an hour almost every day since the 80’s advancing my knowledge in electronics. Recently I brushed up my knowledge on LED fading secrets and attained something pleasant. Now, I’d ...
note

ELEGOO (Arduino)で始めるマイコン入門 5：3色LED

今回は、ブレッドボードにLEDや抵抗を設置し、3色LEDを光らせます。LEDを光らせるために、LEDの簡単な構成と光らせる手段である、PWM (Pulse Width Modulation) について説明をします。 LEDとは：アノードとカソード LEDは、＋極、－極の代わりに、アノードと ...
PC Watch

本日みつけたお買い得品

多数のLEDを手軽に光らせたいと思ったことはありませんか? 我々はたびたびそう思います。そんなときに使うのがArduinoとTLC5940です。 TLC5940はテキサスインスツルメンツのLEDドライバICで、1チップで最大16個のLEDを制御できます。各LEDを定電流で発光させる ...
GitHub

startListening or stopListening breaks analogWrite on Arduino

I use an Arduino Pro Mini 3.3V 8MHz (328P) here, with a nRF24L01+ module attached to pins 7(CE), 10(CS) and 11-13 (SPI). There is a led with resistor attached to pin 9 which should be PWM-capable. I ...
archive

Fade an LED with Arduino

remove-circle Internet Archive's in-browser video "theater" requires JavaScript to be enabled. It appears your browser does not have it turned on. Please see your ...
EDN

Fade LED In and Out with Arduino – Tutorial #2

You can fade out and fade in the light of an LED automatically by using Arduino and a simple code that is described below. Even though the Arduino board cannot output variable voltage on its digital ...
GitHub

analogWrite in loop() seems to interfere with digitalWrite in serialEvent()

/* serial_pin_control_with_breathing - take commands from serial and light or extinguish leds based on it Demonstration of taking serial commands while doing something else. */ int max_led=7; int ...
electronicsforu

ESP32-based LED Lamp using IoT

In this IoT LED Lamp project, we handle the output pin of ESP32 for switching and dimming a DC LED lamp using a local Web server. For a local Web server, we do not need an Internet connection; we can ...