Blinking patterns of Philips Hue Dimmer Switch V1 (RWL021)

I currently own two Zigbee-based dimmer switches from Philipps Hue (the old V1 version). I was always wondering what the different blinking patterns of the LED indicated. Understanding them was not too straightforward. So here is a quick summary: Blinking orange The device is currently in pairing mode, waiting to be paired. A hard-reset andContinue reading “Blinking patterns of Philips Hue Dimmer Switch V1 (RWL021)”

On energy consumption of different wireless protocols and modulations

Introduction As time moves on, more and more wireless communication protocols and modulations are being developed. They all have their own area of application and some suit certain applications more than others. In this post, we want to look at different factors that influence energy consumption of some of the widely used protocols. Particularly, weContinue reading “On energy consumption of different wireless protocols and modulations”

Wireless Communication Technologies for IoT Projects

Exploring Wi-Fi, Bluetooth, Zigbee, and LoRa Introduction In the realm of embedded systems, Arduino, Raspberry Pi, and the Internet of Things (IoT) have revolutionized the way we interact with our surroundings. With a plethora of sensors and devices at our disposal, it’s crucial to understand the various wireless communication technologies available for IoT projects. InContinue reading “Wireless Communication Technologies for IoT Projects”