Quantum dots shrink on-chip lasers to 1μm

Quantum dots shrink on-chip lasers to 1μm

by Julien Happich @ edn-europe.com Published in Applied Physics Letters under the title “Sub-wavelength InAs quantum dot m...


DIY Arduino RGB LED Controller Shield

DIY Arduino RGB LED Controller Shield

One of our visitors tipped us with his latest project, an Arduino RGB LED controller using low Rds-on MOSFETS, designed in...


Interfacing 8×8 LED Matrix with Arduino

Interfacing 8×8 LED Matrix with Arduino

This tutorial will show how to interface a 8×8 LED matrix with Arduino.


Optoelectronics by mixos
Researchers develop LED covering full visible light spectrum

Researchers develop LED covering full visible light spectrum

Researchers have developed the first standard LED covering the full visible light, in collaboration with Nichia Corporation.


LED Weather Forecast using Raspberry Pi

LED Weather Forecast using Raspberry Pi

AughtNaughtZero @ instructables.com posted his latest project, a LED matrix visualizing data from a weather website such as...


Mini Arduino Lux Meter

Mini Arduino Lux Meter

Here is a nice build of a LUX meter using BH1750 sensor and a Nokia 5110 LCD.


Real time clock and temperature monitor with a DS3231 and a Color TFT

Real time clock and temperature monitor with a DS3231 and a Color TFT

In this video educ8s.tv is building a Real Time clock and temperature monitor with a big 3.2″ Color TFT display.


Temperature Display with NeoPixel Ring Color

Temperature Display with NeoPixel Ring Color

This is an OLED temperature display based on ATmega328p along with a NeoPixel led ring to display different colors depending on...


LT8391 – 60V Synchronous 4-Switch Buck-Boost LED Controller

LT8391 – 60V Synchronous 4-Switch Buck-Boost LED Controller

The LT8391 is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below, or...


RGB LED Strip Controller

RGB LED Strip Controller

Thomas Gonnot has published a RGB LED Strip Controller based on STM32F0 microcontroller.


Optoelectronics by mixos
Arduino – Processing Laser CNC Project

Arduino – Processing Laser CNC Project

Neumi @ github.com has build an Arduino based CNC project and source files are provided.


SK6812 – a new intelligent RGB LED

SK6812 – a new intelligent RGB LED

Tim discuss about a new RGB LED that appeared on the market: During the last months, a new WS2812 alternative appeared on the...


Optoelectronics by mixos