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.
There's a fine line between art and tech. Find out what artists are using to create phenomenal modern pieces.
There's a fine line between art and tech. Find out what artists are using to create phenomenal modern pieces.
The techniques discussed in previous articles can help us to understand and remedy stability problems observed in a…
The techniques discussed in previous articles can help us to understand and remedy stability problems observed in a common circuit used to amplify photodiode signals.
Here are some great power conversion topologies that can be used as alternatives to the boost converter; they are much…
Here are some great power conversion topologies that can be used as alternatives to the boost converter; they are much less vulnerable to short circuit load conditions.
NXP demonstrated its Thread Platform at ARMTechCon last week. Based on the JN5179 wireless MCU, with Secure Element, NFC,…
NXP demonstrated its Thread Platform at ARMTechCon last week. Based on the JN5179 wireless MCU, with Secure Element, NFC, Thread encryption, its own dc/dc converter and featuring ARM's mbed OS, the Platform makes secure home automation application design a whole lot easier.
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!
Learn how to put together your own toaster oven controller with a handful of inexpensive, through-hole parts. The…
Learn how to put together your own toaster oven controller with a handful of inexpensive, through-hole parts. The emphasis is on safety, low price, and minimal modification of the toaster oven.
This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel…
This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel to your sound system and some LEDs.
Halloween's almost here! Freaking out about having nothing to wear? Grab an Arduino and lose your inhibitions-- here…
Halloween's almost here! Freaking out about having nothing to wear? Grab an Arduino and lose your inhibitions-- here comes the costume breakdown.
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.
Create a wireless "relative comfort" light bar thermometer by broadcasting temperature data across multiple ESP8266…
Create a wireless "relative comfort" light bar thermometer by broadcasting temperature data across multiple ESP8266 modules running NodeMCU using MQTT.
Part 5 in the “How to Make an Ambient Light Monitor” series.
Part 5 in the “How to Make an Ambient Light Monitor” series.
Part 4 in the “How to Make an Ambient Light Monitor” series
Part 4 in the “How to Make an Ambient Light Monitor” series
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.
The new 8-bit families have Core-Independent Peripherals, which allow the MCUs to be used in a much larger variety of…
The new 8-bit families have Core-Independent Peripherals, which allow the MCUs to be used in a much larger variety of interconnected CIPs that don't require a core to perform. The CIPs increase system performance with simple design and a 1.8 to 5.5V operating range.