Project – IoT Real-Time Dashboard
In this project, we’ll build an IoT project that display real-time temperature and humidity data from the DHT22 sensor using an ESP32. The ESP32 is ideal for this…
1 Min Read
ESP32 Using Arduino Cloud
The code for the ESP32 using the DHT11, DHT20, or DHT22 is identical to the Arduino example in the previous chapter. You just need to modify the connected…
1 Min Read
I2C Address Scan
It is easy to find the I2C address of a device using an I2C Scanner code. To do this, simply connect an I2C master (such as an Arduino…
1 Min Read
I2C Addressing
In the I2C protocol, each device on the bus is identified by a unique address. The master uses these addresses to communicate with specific slave devices. Let’s dive…
1 Min Read
Arduino with DHT20
The DHT20 is a high-precision temperature and humidity sensor that communicates using the I2C protocol. This sensor offers improved accuracy and reliability compared to its predecessors, with a…
5 Min Read
Project – DHT22 with LCD Display
In this guide, we will explore how to combine DHT temperature/humidity sensors with LCD displays using I2C communication in Arduino projects. We’ll cover everything from library installation to…
1 Min Read
Understanding isnan() in Arduino
When working with floating-point numbers in Arduino, there may be cases where a calculation results in an invalid number, known as NaN (Not a Number). The isnan() function…
3 Min Read
Arduino with DHT11/22
In this guide, we will explore the DHTesp library, a powerful tool for interfacing with DHT temperature and humidity sensors in Arduino projects. The library works for Arduino,…
4 Min Read
Overview of DHT Sensors
In this chapter, we will explore Digital Humidity and Temperature (DHT) sensors, which are essential components for measuring environmental conditions in electronic projects. We’ll cover three popular variants:…
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