LED Archives - Open Electronics https://www.open-electronics.org/tag/led/ Open source electronic projects Wed, 28 Sep 2022 11:56:54 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.1 https://www.open-electronics.org/wp-content/uploads/2015/08/cropped-logo-32x32.jpeg LED Archives - Open Electronics https://www.open-electronics.org/tag/led/ 32 32 32754084 NIXIE STYLE LED DISPLAY https://www.open-electronics.org/nixie-style-led-display/ https://www.open-electronics.org/nixie-style-led-display/#respond Sun, 25 Sep 2022 16:00:00 +0000 https://www.open-electronics.org/?p=33307 We pick up the fascinating Nixie tubes through displays based on packages of laser-engraved plexiglass plates, illuminated by Neopixel LEDs. For those born in the era of solid-state displays, be they LED, 7-segment, dot-matrix, or even liquid crystal, it is difficult to imagine how text and numbers were displayed before their advent; Well, those who […]

The post NIXIE STYLE LED DISPLAY appeared first on Open Electronics. The author is Boris Landoni

]]> https://www.open-electronics.org/nixie-style-led-display/feed/ 0 33307 DIY Pulse Oximeter https://www.open-electronics.org/diy-pulse-oximeter/ https://www.open-electronics.org/diy-pulse-oximeter/#respond Sat, 30 Jul 2022 12:46:03 +0000 https://www.open-electronics.org/?p=34649 The oximeter is a tool that allows you to calculate the percentage of oxygen saturation in the blood based on the amount of light absorbed. It consists of a photodiode and two LEDs: a red LED and an infrared LED. To make the measurements, the fingertip is placed between the photodiode and the LEDs as […]

The post DIY Pulse Oximeter appeared first on Open Electronics. The author is Bianchi Gabriele

]]> https://www.open-electronics.org/diy-pulse-oximeter/feed/ 0 34649 The flame that doesn’t burn https://www.open-electronics.org/the-flame-that-doesnt-burn/ https://www.open-electronics.org/the-flame-that-doesnt-burn/#comments Mon, 21 Feb 2022 16:00:00 +0000 https://www.open-electronics.org/?p=33383 Based on Neopixel and a special ultra-thin Arduino, it simulates the light produced by chimney flames As every year, the approach of the winter season stimulates our imagination and reminds us that electronics can do a lot, not only concretely (creating automatisms for indoor air conditioning) but also for pleasure and leisure; so here are […]

The post The flame that doesn’t burn appeared first on Open Electronics. The author is Boris Landoni

]]> https://www.open-electronics.org/the-flame-that-doesnt-burn/feed/ 1 33383 FLEXBALL – a Hundred Pixel Flexible PCB Ball With WiFi https://www.open-electronics.org/flexball-a-hundred-pixel-flexible-pcb-ball-with-wifi/ https://www.open-electronics.org/flexball-a-hundred-pixel-flexible-pcb-ball-with-wifi/#respond Wed, 19 Jan 2022 16:00:00 +0000 https://www.open-electronics.org/?p=35258 https://www.youtube.com/watch?v=bGl29tdzQ-s&t=3s&ab_channel=maker.moekoe Hello makers, it’s maker moekoe! Flexball is based on a flexible PCB which is equipped with 100 WS2812 2020 addressable LEDs. It is controlled by an ESP8285-01f – the smallest ESP based module by Espressif. Additionally it has an ADXL345 accelerometer sensor on board. Original idea was to display text messages on that round […]

The post FLEXBALL – a Hundred Pixel Flexible PCB Ball With WiFi appeared first on Open Electronics. The author is Emanuele Signoretta

]]> https://www.open-electronics.org/flexball-a-hundred-pixel-flexible-pcb-ball-with-wifi/feed/ 0 35258 Sezme: a Memory Game for the Arduino https://www.open-electronics.org/sezme-a-memory-game-for-the-arduino/ https://www.open-electronics.org/sezme-a-memory-game-for-the-arduino/#respond Mon, 17 Jan 2022 16:00:00 +0000 https://www.open-electronics.org/?p=35289   I have just started using the Arduino and I thought I would try my hand at a little project of my own. Sezme is a game for the Arduino Uno that tests your memory. It is easy to build as I have only used LEDs, resistors, switches and a Piezo. In the game, the […]

The post Sezme: a Memory Game for the Arduino appeared first on Open Electronics. The author is Emanuele Signoretta

]]> https://www.open-electronics.org/sezme-a-memory-game-for-the-arduino/feed/ 0 35289 Interfacing Ultrasonic Ranging Module HC-SR04 With Arduino https://www.open-electronics.org/interfacing-ultrasonic-ranging-module-hc-sr04-with-arduino/ https://www.open-electronics.org/interfacing-ultrasonic-ranging-module-hc-sr04-with-arduino/#respond Sun, 09 Jan 2022 16:00:00 +0000 https://www.open-electronics.org/?p=35337 Hey, what’s up, Guys! Akarsh here from CETech. This project of mine is a bit on the simpler side but as fun as the other projects. In this project, we are going to interface an HC-SR04 Ultrasonic distance sensor module. This module works by generating ultrasonic sound waves that are out of the audible range of […]

The post Interfacing Ultrasonic Ranging Module HC-SR04 With Arduino appeared first on Open Electronics. The author is Emanuele Signoretta

]]> https://www.open-electronics.org/interfacing-ultrasonic-ranging-module-hc-sr04-with-arduino/feed/ 0 35337 Arduino Snake LED game https://www.open-electronics.org/arduino-snake-led-game/ https://www.open-electronics.org/arduino-snake-led-game/#respond Sat, 04 Sep 2021 16:00:00 +0000 https://www.open-electronics.org/?p=33340 In this project we will see how to recreate the Snake game on a matrix of LEDs. After loading, the game will automatically start with the snake in the lower left corner. An apple will randomly spawn and you can start moving the snake with a joystick. We have an 8 x 12 matrix of […]

The post Arduino Snake LED game appeared first on Open Electronics. The author is Bianchi Gabriele

]]> https://www.open-electronics.org/arduino-snake-led-game/feed/ 0 33340 Thermometer with LED temperature display https://www.open-electronics.org/thermometer-with-led-temperature-display/ https://www.open-electronics.org/thermometer-with-led-temperature-display/#respond Sat, 14 Aug 2021 16:00:00 +0000 https://www.open-electronics.org/?p=33449 In this project we will see how to make a thermometer to measure the temperature in the room with a measuring range from 10 degrees to 35 degrees Celsius and an accuracy of 0.5 degrees. The temperature is displayed on the WS2812 LED bar containing 50 diodes. Characteristic of this thermometer is that in addition […]

The post Thermometer with LED temperature display appeared first on Open Electronics. The author is Bianchi Gabriele

]]> https://www.open-electronics.org/thermometer-with-led-temperature-display/feed/ 0 33449 How to make an emergency light https://www.open-electronics.org/how-to-make-an-emergency-light/ https://www.open-electronics.org/how-to-make-an-emergency-light/#respond Wed, 30 Jun 2021 14:01:27 +0000 https://www.open-electronics.org/?p=32896 In this project we will show you how to build your home emergency light. The idea of the following circuit is that it must be compact and may be kept plugged into the mains socket for a permanent automatic operation. The battery can also be charged via a solar panel when the power grid is […]

The post How to make an emergency light appeared first on Open Electronics. The author is Bianchi Gabriele

]]> https://www.open-electronics.org/how-to-make-an-emergency-light/feed/ 0 32896 The Ohmmeter 2.0 with the graphic display of the colors of the resistors https://www.open-electronics.org/the-ohmmeter-2-0-with-the-graphic-display-of-the-colors-of-the-resistors/ https://www.open-electronics.org/the-ohmmeter-2-0-with-the-graphic-display-of-the-colors-of-the-resistors/#respond Sat, 15 May 2021 13:48:59 +0000 https://www.open-electronics.org/?p=32680 Bands on through-hole resistors conveniently indicate their value at a glance. On the other hand, you have to actually know the code to interpret this meaning. Alternatively, you could use the Ohmmeter 2.0. The Ohmmeter 2.0, based on Arduino Mega, has three modes. First, it enables you to enter resistor value with a keypad and […]

The post The Ohmmeter 2.0 with the graphic display of the colors of the resistors appeared first on Open Electronics. The author is Marco Ventimiglia

]]> https://www.open-electronics.org/the-ohmmeter-2-0-with-the-graphic-display-of-the-colors-of-the-resistors/feed/ 0 32680 Successful Kickstarter launch for LumiCube: a stylish interactive LED cube for the Raspberry Pi https://www.open-electronics.org/successful-kickstarter-launch-for-lumicube-a-stylish-interactive-led-cube-for-the-raspberry-pi/ https://www.open-electronics.org/successful-kickstarter-launch-for-lumicube-a-stylish-interactive-led-cube-for-the-raspberry-pi/#respond Thu, 18 Mar 2021 09:31:52 +0000 https://www.open-electronics.org/?p=32634 Hello, We’ve just launched an interactive LED cube for the Raspberry Pi on Kickstarter. Would you be interested in covering it? We were fully funded within 12 hours, and have just exceeded £9k of pledges! https://www.kickstarter.com/projects/1202256831/lumicube-an-led-cube-kit-for-the-raspberry-pi We think it’s pretty stylish and wouldn’t look out of place sitting in your living room, or on your […]

The post Successful Kickstarter launch for LumiCube: a stylish interactive LED cube for the Raspberry Pi appeared first on Open Electronics. The author is matt-foundry

]]> https://www.open-electronics.org/successful-kickstarter-launch-for-lumicube-a-stylish-interactive-led-cube-for-the-raspberry-pi/feed/ 0 32634 Make your air safer: indoor air quality monitor https://www.open-electronics.org/make-your-air-safer-indoor-air-quality-monitor/ https://www.open-electronics.org/make-your-air-safer-indoor-air-quality-monitor/#respond Tue, 16 Mar 2021 09:59:15 +0000 https://www.open-electronics.org/?p=32612 Having too many people in one room with poor ventilation can lead to unsafe conditions and an increased probability of sharing airborne viruses. With this instrument you can track the air quality and visualize historic trends. With this monitor, you can immediately see the local air quality on the 8 pixel LED strip and you […]

The post Make your air safer: indoor air quality monitor appeared first on Open Electronics. The author is Bianchi Gabriele

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