Latest LEDs Articles and Videos

A practical introduction to quantifying perceived light intensity.

A practical introduction to quantifying perceived light intensity.

CES brings more information on the coolest innovations in consumer electronics.

CES brings more information on the coolest innovations in consumer electronics.

Smart LEDs are becoming increasingly popular and very inexpensive. It's a great time to pick some up and experiment!

Smart LEDs are becoming increasingly popular and very inexpensive. It's a great time to pick some up and experiment!

There are many so competing technologies in televisions, it can quickly become downright confusing. We discuss a handful…

There are many so competing technologies in televisions, it can quickly become downright confusing. We discuss a handful of them here including 4k / UHD, Framerate, OLED, HDR, Quantum dots, and Quantum LEDs

Take a few minutes to characterize a light dependent resistor (LDR) and you can build a simple and reasonably accurate…

Take a few minutes to characterize a light dependent resistor (LDR) and you can build a simple and reasonably accurate light meter can be built using an LDR and an Arduino.

In this project, you'll learn how to wire an LED and flash it using the Raspberry Pi. Also, to isolate the Raspberry Pi's…

In this project, you'll learn how to wire an LED and flash it using the Raspberry Pi. Also, to isolate the Raspberry Pi's + 3.3VDC compliant output pins from supply voltages greater than this power source, an opto-isolator will be introduced as well.

A thorough explanation of OLED technology and its applications. Like an LED, an OLED is a solid semiconductor device that…

A thorough explanation of OLED technology and its applications. Like an LED, an OLED is a solid semiconductor device that is 100 to 500 nanometers in length or 200 times smaller than a human hair!

An inexpensive PICAXE microcontroller makes it easy to read a temperature sensor, compare the temperature to a setpoint,…

An inexpensive PICAXE microcontroller makes it easy to read a temperature sensor, compare the temperature to a setpoint, and turn a heater or cooler circuit on or off.

Use a WS2812 RGB LED strip to visualize the pose of an MPU-6050 6-degree-of-freedom IMU in three dimensional space.

Use a WS2812 RGB LED strip to visualize the pose of an MPU-6050 6-degree-of-freedom IMU in three dimensional space.

Using an LCD increases the versatility of any microcontroller by displaying data outputs and memory contents. This serial…

Using an LCD increases the versatility of any microcontroller by displaying data outputs and memory contents. This serial adapter uses only one I/O.

This article will show you one way of making an accurate clock by using the Real Time Clock IC DS1307. The time will be…

This article will show you one way of making an accurate clock by using the Real Time Clock IC DS1307. The time will be shown on a LCD display.

LCDs are great for showing info from your microcontroller. A serial adapter is inexpensive, uses only one I/O, and is…

LCDs are great for showing info from your microcontroller. A serial adapter is inexpensive, uses only one I/O, and is easy to connect and to use.

Part 4 in the “How to Make an Ambient Light Monitor” series

Part 4 in the “How to Make an Ambient Light Monitor” series

How to read humidity and temperature from a DHT11 and display it on a LCD with a PIC microcontroller. In this example…

How to read humidity and temperature from a DHT11 and display it on a LCD with a PIC microcontroller. In this example we're going to use a PIC16F628A.

Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light…

Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light sensor circuit on a breadboard, digitizing the circuit’s output signals, and interpreting the digitized measurements.

Thin-film transistor displays are predicted to be the future of car displays. But they may be already overtaken by LCD…

Thin-film transistor displays are predicted to be the future of car displays. But they may be already overtaken by LCD quantum-dot displays.

Learn how to use an EFM8 microcontroller to convert current and voltage measurements to digits that can be displayed on…

Learn how to use an EFM8 microcontroller to convert current and voltage measurements to digits that can be displayed on an LCD. We'll discuss a convenient way to report analog-to-digital conversion values that represent current and voltage amplitudes.

Use the EFM8’s USB functionality to transfer an image from your PC to an LCD.

Use the EFM8’s USB functionality to transfer an image from your PC to an LCD.

The 08M2 is the smallest member of the PICAXE family of microcontrollers; it is inexpensive, versatile, and easy to…

The 08M2 is the smallest member of the PICAXE family of microcontrollers; it is inexpensive, versatile, and easy to program using free software.