note

写真引き伸ばし機のRGBカラーLED改造

モノクロ引き伸ばしLPL 7700の光源をRGBカラーLEDに改造することで、カラー写真の引き伸ばしに挑戦します。 モノクロ引き伸ばし機でカラープリントをする場合、一般にCMYのカラープリントフィルターフィルターを入れてカラーバランスを調整します。
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 ...
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 ...
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 ...
circuitdigest.com

Programming ESP32-S3 Box-3 with Arduino IDE: RGB LED Control Interface

Building IoT projects with touchscreens used to be a headache, involving numerous components, messy wiring, and endless troubleshooting. But the ESP32-S3 Box-3 makes things way easier. It is an all-in ...
maketecheasier.com

How to Use an RGB LED Module With Arduino

What Is an RGB LED Module? An RGB LED module uses a special kind of LED light that can emit three colors: red, green, and blue. However, you can make any color you could possibly think of by changing ...