The SDI12 library code is released under the GNU Lesser Public License (LGPL 2.1) -- See LICENSE-examples.md file for details. Example Arduino sketches are released under the BSD 3-Clause License -- ...

it also triggers the onboard LED and buzzer for alarm purposes. It also keeps a check on Wi-Fi connectivity status. Suppose if it gets disconnected, the code will make it connect to the network ...

Next, let's take a look at the receiver code. The Receiver System ... Drowsiness Detection & Alerting System An Arduino Nano-based system that uses an eye blink sensor to detect driver drowsiness and ...

I reworked that minimalistic version into a library and I added a number of Arduino examples to help you get started. Effort has been taken to keep the code, variables and function names compatible ...