Description What is SMTP server? SMTP stands for Simple Mail Transfer Protocol. This Protocol allows sending and receiving emails over a...

Description What is Telegram? Telegram is a cloud-based instant messaging platform and communication app. It allows users to send and...

Description ESP32 has inbuilt Wi-Fi functionalities. It has three Wi-Fi modes. Before that, let’s understand the terms Wi-Fi station and...

HTTP (Hypertext Transfer Protocol) is a standard application layer protocol. The function of HTTP is to request-response protocol between...

Description ADXL345 Accelerometer Accelerometer is an electromechanical device that measures the force of acceleration caused by gravity...

Description While Wi-Fi connection the router assigns the random IP address to the ESP32 Board. This is because DHCP (Dynamic Host...

Description ESP32 has on-chip Bluetooth and BLE (Bluetooth Low Energy). In this guide, we will see the Bluetooth part. ESP32 Bluetooth is...

Description MQTT is a lightweight publish-subscribe-based messaging protocol. It is quicker (faster) than other request-response based...

Description When working with an ESP32 device, there may be situations where the Wi-Fi connection is lost or disrupted. i.e. when the...

Description ESP32 has inbuilt Wi-Fi functionalities. It has three Wi-Fi modes. Before that, let’s understand the terms Wi-Fi station and...

Overview of DHT11 DHT11 sensor measures and provides humidity and temperature values serially over a single wire. It can measure the...

Overview of RTC DS1307 Real Time Clock (RTC) module is a device used to monitor time and maintain the calendar. To monitor the time using...

Description The MAX7219 is a serially interfaced 8-digit LED display driver. It can be used to control up to 64 individual LEDs, or eight...

Overview of LCD 16x2 The LCD (Liquid Crystal Display) is commonly used in embedded applications to display various outputs and parameters...

Overview of SSD1306 OLED Display The OLED module shown in the above image is a very popular module available in the market. There are...

Description The WS2812B is a popular RGB LED that is used in various lighting applications. It consists of a single LED package with...

Description LCD16x2 is widely used in embedded applications as a display. It is a 2-line display with 16 characters in each line. The...