Adjusting the light intensity with lcd.backlight () function
Dec 19, 2024 · One, relatively easy way to get backlight control would be use the hd44780 library and the hd44780_pinIO i/o class which is used to control the hd44780 LCD directly with Arduino pins. …
[SOLVED] Voltage controlled AC Dimmer - Arduino Forum
Sep 10, 2022 · Arduino Controlled Light Dimmer Arduino Controlled Light Dimmer: WAIT!! before you decide to build this, it is good to know that a similar dimmer is available at Aliexpress at cost that is …
UNO R3 - Yellow light constantly lit - IDE 1.x - Arduino Forum
Apr 27, 2016 · My UNO R3 has the yellow light constantly lit all of a sudden and i can't upload to the board. Yesterday when i used it last time it worked fine and the yellow light was blinking as it …
ESP8266 + light sleep - Programming - Arduino Forum
Jul 31, 2023 · Hi all, I'm solving issue with light sleep on ESP8266 (ESP-01). I want to run some code only each +-30min. Sleep itself working almost correctly, but there is one thing which is wery …
Light Sleep Wakeup Fails on ESP32-C6-Super Mini Board ... - Arduino …
Feb 18, 2025 · Questions/Observations: Could there be a bug or incomplete implementation in the Arduino core for ESP32-C6 affecting wakeup functions (esp_light_sleep_start (), EXT1, GPIO …
Motion Sensor That Lights a Led - Arduino Forum
Aug 8, 2023 · Hello, I've recently been to an Arduino Level 1 Workshop and after purchasing a starter kit, I came up with my first project. I want to use a motion sensor to sense me when I come home at …
Blinking "L" light - IDE 1.x - Arduino Forum
Jan 29, 2012 · Hi, I'm new to the arduino world. I've got the Arduino Uno connected to my laptop via the usb cable. I have a green power light and I also have a blinking "L" light above the TX & RX. What …
How to increase a light bulb's intensity gradually using Arduino
Sep 12, 2018 · Hello, I am pretty new to Arduino and am doing a research experiment in which I need a light bulb to increase from no light to full intensity over the course of 30 minutes. One of research …
LEDs Not Bright Enough - Troubleshooting - Arduino Forum
May 19, 2010 · I've had my Arduino for five days and I can't put it down. I have a lot to learn about electronics and it's such a great learning tool. My current experiment has three LEDs connected to …
My new arduino uno is turn on with red light
Dec 9, 2017 · There are two lights shown in that picture. The one that is labeled "ON" is the power indicator and will always be on when the Arduino board is powered. The one that is labeled "L" is …