Introduction to RTC Real Time Clock (RTC) is a time counter that counts real time continuously. We can get present time details using...

Description A keypad is used as an input device to read and process the user's keystrokes. In the A 4x4 keypad contains four rows and...

Description The MAX30100 Pulse Oximeter is a medical device that is used to measure blood oxygen saturation levels, heart rate, and pulse...

Introduction Pulse Width Modulation (PWM) is a technique by which width of a pulse is varied while keeping the frequency constant. A...

Introduction to I2C I2C (Inter Integrated Circuit) is a serial bus interface connection protocol first invented by Philips Semiconductor...

Introduction to DAC Digital to Analog Converter (DAC) are mostly used to generate analog signals (e.g. sine wave, triangular wave etc.)...

Introduction to ADC Analog to Digital Converter(ADC) is used to convert analog signal into digital form. LPC2148 has two inbuilt 10-bit...

Introduction to GPIO General-purpose input/output (GPIO) is a pin on an IC (Integrated Circuit). It can be either input pin or output...

There are various development environments available in the market for ARM processors. Some of these are mentioned below : CrossWorks for...

Description This guide provides you with step-by-step instructions on creating an IoT dashboard using an ESP32. The dashboard allows you...

Description As we know the ESP32 has its Serial Peripheral Interface Flash File System (SPIFFS). SPIFFS stands for SPI Flash File System...

Description In this guide, we will build a web server with the ESP32 to display temperature sensor readings on the analog gauge. We will...

Description We can program ESP32 for controlling an LED using Whatsapp messaging remotely. Messages contain light on / light off commands...

Description Let’s build WhatsApp Temperature Alert System using ESP32. For Temperature measurement, we will use the DS18B20 temperature...

Description A k-type thermocouple is a type of temperature sensor that is commonly used for industrial and scientific applications. It...

Description Let’s build Telegram Temperature Alert System using ESP32. We will use the DS18B20 temperature sensor as an example. It is a...

Description Let’s build Email Temperature Alert System using ESP32. We will use the DS18B20 temperature sensor as an example. It is a...

Description A flex sensor is a resistive type sensor that changes its resistance based on the amount of bending or flexing applied. When...

Description The capacitive proximity sensor is a device that can detect the presence or absence of solid or liquid objects without...

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