PWM dimmer for RGB LED

PWM dimmer for RGB LED

Lukas Fassler has designed and built a PWM dimmer for RGB LED: In my last post I’ve described the design and construction of my L...


Optoelectronics by mixos
Large 8×8 LED Matrix Display

Large 8×8 LED Matrix Display

jollifactory @ instructables.com has published a large 8×8 LED Matrix Display which is driven by a MAX7219 and Arduino.


Optoelectronics by mixos
8×8 RGB Led Matrix with WS2812 driver with Arduino Uno

8×8 RGB Led Matrix with WS2812 driver with Arduino Uno

In this video we learn how to use this 8×8 RGB LED matrix.


Optoelectronics by mixos
Air quality sensor detects microscopic pollutants

Air quality sensor detects microscopic pollutants

Mitsubishi Electric announced that it has developed a small, high-precision air-quality sensor, the world first to detect all...


The World’s Smallest 4x4x4 RGB LED Cube

The World’s Smallest 4x4x4 RGB LED Cube

HariFun @ instructables.com has build the smallest 4x4x4 RGB LED cude which is less than 1 square inch in dimensions and uses 64...


Optoelectronics by mixos
PWM dimmer for LED lighting

PWM dimmer for LED lighting

Lukas Fassler has published a new project, a DIY PWM dimmer for LED lighting.


MAGIC PIXEL – Bluetooth full color LED display

MAGIC PIXEL – Bluetooth full color LED display

MAGIC PIXEL is a full color LED display able to show animations, scrolling texts, and video from a PC or Mac.


Record-setting flexible phototransistor revealed

Record-setting flexible phototransistor revealed

Researchers at the University of Wisconsin-Madison have revealed a unique phototransistor that is flexible and faster and more...


Optoelectronics by mixos
MC9RS08KB4CFK Minibot

MC9RS08KB4CFK Minibot

The Minibot is a small autonomous robot vehicle that uses phototransistor that can detect lightness patterns on the ground to...


Photoplethysmography – IR Heart Rate Monitor

Photoplethysmography – IR Heart Rate Monitor

SteveQuinn @ instructables.com show us how to create a heart rate monitor using an IR phototransistor and Arduino and display the...


VL53L0 – Ultra-fast distance sensor

VL53L0 – Ultra-fast distance sensor

by Harry Baggen @ elektormagazine.com STMicroelectronics has launched their second-generation distance senor VL53L0, which is...


Optoelectronics by mixos
Lux Meter Module

Lux Meter Module

LUX Meter project has been design to measure the illumination.