Homebrew wireless sensors are nothing new around these parts: grab an ESP8266, hang a BME280 from the I2C pins, and you’re just a few lines of code away from joining the Internet of Things on your own ...

The Internet of Things (IoT) is quickly becoming ubiquitous, whether in the home, on the factory floor, or say, at the doctor’s office (Fig. 1). For the system engineer, there are many approaches to ...