The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...
In this video, I'm making a carbon monoxide monitor for my home using an MQ7 carbon monoxide sensor, a DHT11 temperature and humidity sensor, and a NodeMCU microcontroller board. This sensor is ...
Adafruit Unified Sensor API for DHT11.
THe RMT perhiperal to talk to the DHT11 sensor The ESP Wifi support to connect to the Internet ESP-IDF Open SSL library to speak HTTP to the ThinkSpeak API The ESP's deep sleep to save power between ...
Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...