In this tutorial, we will learn how to interface an OLED Display Module with ESP32 Development Board. The OLED Graphic Display used in this project is based on SSD1306 OLED Driver IC and communicates over SPI. Use ESP32 with OLED to display Text, Bitmap Images, Graphics etc., in your DIY…
In this tutorial, we will learn how to interface an I2C LCD with ESP8266 NodeMCU Development Board. The PCF8574 I2C LCD is a special module for 16×2 and 20×4 Character LCD Displays. We will learn how the ESP8266 NodeMCU I2C LCD interface works, how to configure I2C in ESP8266 NodeMCU…
In this tutorial, we will learn how to connect an SSD1306 OLED Display with ESP8266. This particular OLED Display is a 7 Pin SPI type. So, we will use NodeMCU development board instead of regular ESP-01 Module. We will learn the pins needed for interfacing OLED Display with ESP8266 NodeMCU,…
In this project, we will learn how to interface a PCF8574 I2C LCD with ESP32 Development Board. We will see how to configure the I2C Pins in ESP32, download necessary libraries for Arduino IDE, understand how ESP32 I2C LCD interface works and display some data on the 16×2 LCD. Introduction…
In this project, we will learn how to interface Nokia 5110 LCD with ESP32 DevKit Development Board. We will see a little bit about the Nokia 5110 LCD, the PCD8544 Driver IC from Phillips, how the ESP32 Nokia 5110 Interface works and also display some text and graphics on the…
In this tutorial, we will learn how to interface Nokia 5110 LCD with ESP8266. We will be using the NodeMCU Development Board to understand how ESP8266 Nokia 5110 LCD Display interface works, what are the necessary connections between ESP8266 and Nokia 5110 LCD and also display some text on the…
In this tutorial, we will learn how to use PWM in ESP32 SoC. Using PWM in ESP32, you can control the brightness of LED, set the position of a Servo Motor and adjust the speed of a DC Motor. This ESP32 PWM Tutorial contains all the important information for configuring…
In this tutorial, we will learn about the ADC Peripheral in ESP32. The Analog to Digital Converter or simply ADC od ESP32 is very useful to measure analog voltages from different sensors (like LM 35 Temperature Sensor), potentiometers (for adjusting brightness of LED), etc. Learn how to use ESP32 ADC…
In this tutorial, we will see how to build a simple ESP32 Web Server. This ESP32 Standalone Web Server can be accessed by mobile phone, computers, laptops and tablets which are connected to the same WiFi network as ESP32. As a demonstration of the web server, I created a simple…
In this tutorial, we will learn how to control a Servo Motor using ESP32 Development Board. To demonstrate the working of ESP32 Servo Control, we will first make a Sweep application where the servo oscillates back and forth. Then we will see how to control the Servo using a Potentiometer….
In this tutorial, we will learn about the Bluetooth feature of ESP32. ESP32 supports both the Classic Bluetooth v4.2 as well as the Bluetooth Low Energy (BLE) standards. Let us focus on the Classic Bluetooth in this ESP32 Bluetooth Tutorial. We will learn a little bit about architecture of Bluetooth…
In this tutorial, we will learn about the BLE feature in ESP32. ESP32 has Bluetooth low Energy or BLE feature along with Classic Bluetooth. ESP32 BLE is aimed at battery operated, low-power wireless communication between different BLE Devices. We will learn all the essentials in order to use BLE in…