Latest Lighting Technical Articles

Part 2 in the "How to Make an Ambient Light Monitor" Series. Our smart ambient light monitor will need to digitize and…

Part 2 in the "How to Make an Ambient Light Monitor" Series. Our smart ambient light monitor will need to digitize and analyze signals from an optical detector, so it is time to explore the EFM8’s integrated analog-to-digital conversion functionality.

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.

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.

An infrared (IR) light sensor allows the use of an Arduino to receive and decode signals from a TV remote control.

An infrared (IR) light sensor allows the use of an Arduino to receive and decode signals from a TV remote control.

Controlling a motor with an Arduino is relatively easy. In addition to simply spinning the motor, you can control the…

Controlling a motor with an Arduino is relatively easy. In addition to simply spinning the motor, you can control the position of the motor shaft if the motor has a rotary encoder.

Monitoring the output of a light-dependent resistor, or photoresistor, allows the Arduino to know how light or dark it…

Monitoring the output of a light-dependent resistor, or photoresistor, allows the Arduino to know how light or dark it is. When the light falls below a certain level, the Arduino turns on a couple of LEDs.