Researchers at the University of Washington have developed the first wide-area backscatter communication system, the LoRa Backscatter, that is not only is…
Researchers at the University of Washington have developed the first wide-area backscatter communication system, the LoRa Backscatter, that is not only is low-power and cost-efficient at 10 cents per unit, but also provides long-range communication of up to 2.8 km.
The popular open source LimeSDR USB stick programmable software-defined radio is about to get a smaller, cheaper little brother.
The popular open source LimeSDR USB stick programmable software-defined radio is about to get a smaller, cheaper little brother.
This article takes a look at how current- or next-generation technologies can provide the potential for innovative…
This article takes a look at how current- or next-generation technologies can provide the potential for innovative applications and the problems and solutions that may arise.
See what's inside this Bluetooth device that allows you to use your radio for wireless music in your car.
See what's inside this Bluetooth device that allows you to use your radio for wireless music in your car.
In part 4 of our Wi-Fi Eye project, we'll deal with our power supply
In part 4 of our Wi-Fi Eye project, we'll deal with our power supply
The history of the Global Positioning System (GPS) began miles above the Earth, going 18,000 mph.
The history of the Global Positioning System (GPS) began miles above the Earth, going 18,000 mph.
Building an animatronic, wearable, Wi-Fi robots, part 1: Programming the controller.
Building an animatronic, wearable, Wi-Fi robots, part 1: Programming the controller.
Learn how to make your own Wi-Fi-enabled "ESP Alarm."
Learn how to make your own Wi-Fi-enabled "ESP Alarm."
Increasing the power efficiency in IoT and other low power, battery-operated devices requires a number of strategies that…
Increasing the power efficiency in IoT and other low power, battery-operated devices requires a number of strategies that reduce energy consumption during both the active and sleep modes.
Bluetooth LE was designed with the IoT in mind. Here are some options for troubleshooting your next Bluetooth LE project.
Bluetooth LE was designed with the IoT in mind. Here are some options for troubleshooting your next Bluetooth LE project.
Bluetooth low energy (BLE) is designed to intermittently transmit information using a limited amount of power. This…
Bluetooth low energy (BLE) is designed to intermittently transmit information using a limited amount of power. This article provides the building blocks that allow you to add BLE to your projects for $5 (plus a one-time purchase of a $15 programmer).
Radio Over Fiber (ROF) combines RF and optics, providing optical links to replace strategic portions of cellular,…
Radio Over Fiber (ROF) combines RF and optics, providing optical links to replace strategic portions of cellular, satellite, and copper based systems.
Development is well underway on Gigabit LTE cellular communications systems that promise an order of magnitude increase…
Development is well underway on Gigabit LTE cellular communications systems that promise an order of magnitude increase in data transfer rates and 5G is close behind. Small cell access nodes will form an essential part of both systems but new communications processors are needed to make these a reality.
In this news brief, we look at the ADC12DJ3200 and the LMX2594 from Texas Instruments. Both products work together to…
In this news brief, we look at the ADC12DJ3200 and the LMX2594 from Texas Instruments. Both products work together to help widen bandwidth and lower phase noise for high-speed systems.
Open source hardware met open source instruction set architecture this month when SiFive announced the Arduino…
Open source hardware met open source instruction set architecture this month when SiFive announced the Arduino Cinque—an Arduino development board based off the RISC-V ISA.
This project uses the Alorium Technology XLR8, a Bluetooth LE HID Implementation, and the EasyVR voice recognition module…
This project uses the Alorium Technology XLR8, a Bluetooth LE HID Implementation, and the EasyVR voice recognition module to add voice-activated movements to your next project.
In this teardown, we examine the guts of 3M's hearing protection device which comes with a built-in AM/FM radio and is…
In this teardown, we examine the guts of 3M's hearing protection device which comes with a built-in AM/FM radio and is capable of playing music from your MP3 player.
Use Cypress Solar-Powered BLE Sensors, an Arduino UNO, and an HM10 BLE module to make your own multi-node temperature and…
Use Cypress Solar-Powered BLE Sensors, an Arduino UNO, and an HM10 BLE module to make your own multi-node temperature and humidity monitor and display.
Transmit humidity and temperature data with a fully functional, off-the-shelf, battery-less wireless sensor node.
Transmit humidity and temperature data with a fully functional, off-the-shelf, battery-less wireless sensor node.
This article goes over the basics of the humble common mode choke and its applications.
This article goes over the basics of the humble common mode choke and its applications.
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