Breadboard and DHT11 Temperature & Humidity Sensor: A Beginner's Guide

Breadboard

A breadboard is a tool used for temporary circuit construction and prototype design. It uses conductive connection strips and small holes to establish connections between electronic components. Breadboards are typically made up of a plastic casing and internal conductive connection strips. The conductive connection strips are embedded at the bottom of the breadboard, while the small holes are located at the top. Each hole is connected to the conductive connection strip below, and the holes are arranged at a standard distance from each other. The conductive connection strips in the breadboard are usually organized in rows and columns. The main working area of the breadboard is typically in the middle, with multiple rows and columns. The rows on either side are for connecting power and ground lines.

DHT11 Temperature and Humidity Sensor

The DHT11 is a commonly used temperature and humidity sensor suitable for various electronic projects and environmental monitoring applications. It consists of a temperature sensor and a humidity sensor, and provides temperature and humidity data by communicating digitally with a microcontroller. It uses a single wire digital signal to transmit data and only requires one GPIO pin for connection. The measurement range of the DHT11 is 0-50 degrees Celsius for temperature and 20-90% for relative humidity. Its output data accuracy is about ﾱ2 degrees Celsius for temperature and ﾱ5% for humidity.