Let’s learn to adjust an LED’s brightness using one of the Arduino’s analog outputs. You’ve probably already learned how to use Arduino’s digital i/o pins to send HIGH and LOW signals to an LED, but some of these pins are capable of simulating a signal somewhere in between. These pins are labeled on the Arduino Uno …
Fading LED With Arduino Analog Output in Tinkercad Read More »
Washing should be done even without the presence of the COVID-19 pandemic. Appropriate washing can prevent the transmission of diarrheal infections and other person-to-person illnesses. For personal health, it is quite useful to follow CDC guidelines on hand washing whenever one returns from being out of your house. Below are the some of the CDC …
Non-Contact Hand Washing With LED Timer Displays Using Arduino Read More »
This is a standard Arduino example sketch, copied here for reference. Full Source Code The full code is all in one file Blink.ino. /* Blink Turns on an LED on for one second, then off for one second, repeatedly. Most Arduinos have an on-board LED you can control. On the Uno and Leonardo, it is attached …
This is a standard Arduino example sketch, copied here for reference. Full Source Code The full code is all in one file Fade.ino. /* Fade This example shows how to fade an LED on pin 9 using the analogWrite() function. This example code is in the public domain. */ int led = 9; // the pin …
This sketch is used by Exercise: Soft Blink. Full Source Code The full code is all in one file SoftBlink1.ino. // SoftBlink1 – fades the onboard LED on and off. // // Copyright (c) 2016, Garth Zeglin. All rights reserved. Licensed under the // terms of the BSD 3-clause license as included in LICENSE. // // The …
This sketch is used by Exercise: Soft Blink. Full Source Code The full code is all in one file SoftBlink2.ino. // SoftBlink2 – fades the onboard LED on and off. // // Copyright (c) 2016, Garth Zeglin. All rights reserved. Licensed under the // terms of the BSD 3-clause license as included in LICENSE. // // This …
This sketch is used by Exercise: Read Switch Input. Full Source Code The full code is all in one file ReadSwitchInput.ino. // ReadSwitchInput – read a digital input and report its value using the LED and serial monitor // // Copyright (c) 2016, Garth Zeglin. All rights reserved. Licensed under the // terms of the BSD 3-clause …
This sketch is used by Exercise: WS2801 RGB LED SPI Module. Full Source Code The full code is all in one file WS2801LED.ino. // -*- mode:c++; -*- /// @file WS2801LED.ino /// /// @brief Example for driving several WS2801 RGB LED modules over SPI on an Arduino UNO. /// /// @author Garth Zeglin /// @date 2014-09-13 /// /// …
This sketch demonstrates Internet-based remote communication using a companion ‘bridge’ program running on the attached host which sends and receives messages via an online MQTT server. This allows connecting one Arduino to another over arbitrary distances, which we can use as a starting point for building collaborative telepresence. This example is configured to provide for …
As an artist, sometime I created an art pieces without planning ahead what I want to draw or paint, just want to add colors or lines onto the drawing or canvas, and never think of the outcome of the piece. Let’s our own instinct and subconscious leading away! Then I thought, “What if I am using electronic components, …
