Internet of Things

on advanced technology, there is a long library for almost every sensor available in the market.

Thus, we will have a readymade library for SDS011 that utilizes a Software Serial library and

seamlessly for Arduino Uno. However, ESP32 does not work with Software Serial. It consists

of three UART ports and uses Hardware Serial to connect to UART devices. We will be using

the existing library and commands with hardware-serial to receive PM data from the installed

sensors. The commands will be stored in processdata.file.

The SDS011 has a sleep current of 2mA. This sensor works even on sleep mode quite

infrequently. Sleep commands will be stored ...