Over-the-air (OTA) programming is a method of updating firmware on a device without having a physical connection to the computer. It is...

Description What is WhatsApp? As we all know, WhatsApp is a popular messaging application that allows users to send text messages, voice...

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

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

Description In this guide, we’ll show you how to publish any sensor readings/data on a google spreadsheet using the ESP32 board. For...

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 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...

Why Hardware Timers Hardware timers are a very important feature in microcontrollers. H/W timers are absolutely important for...

What is the Hall Effect Sensor? It is a sensor that senses the magnetic field and gives output as a voltage. Voltage output is directly...

Description: ESP32 is a powerful module with Wi-Fi, Bluetooth, BLE, and MCU with onboard RF connectivity. It works on high-frequency...

Introduction A touch sensor is an input device that detects physical touch by the human body. This technique can replace mechanical...

Introduction What is DAC (Digital to Analog Converter)? A Digital to Analog Converter is a device that converts digital values (0 and 1)...

Introduction An interrupt is an event that occurs randomly in the flow of continuity. It is just like a call you have when you are busy...