Internet of Things with ESP32

When IoT is discussed, ESP32 appears as a powerful tool. ESP32-SOWD, ESP32-D2WD, ESP32-DOWDQ6 and the system in package (SiP) ESP32-PICO-D4 are included in the ESP32 family. The Espressif Systems created a low power and low-cost system on chip (SoC) as a successor of ESP8266.

• ESP32 has WIFI and dual-mode Bluetooth connectivity which enables it to build IoT applications. The core comprises of single or dual-core Tensilica Xtensa LX6 microprocessor having a 240MHz clock rate. ESP32 comprises built-in antenna switches, power amplifiers, power management modules, RF balun, and low noise receive amplifiers.
• ESP32 is engineered for wearable electronics, mobile devices, and IoT applications and it achieves ultra-low power consumption with the power saving features that include multiple power modes, dynamic power scaling, and a fine resolution clock.
• ESP 32 series is primarily based upon a Bluetooth and 2.4 GHz WiFi combo chip and is designed in a way to achieve the best RF performance and the best power. ESP32 modules are based upon the ESP32 solo, Esp32-WRover, Esp32-Pico, Esp32-DU series, Esp32-Mini, and Esp32-WRoom. The modules are packed with the integrated Wi-Fi, Bluetooth 4.2, and full-stack TCP/IP connection.

· ESP32 Vs Arduino
ESP32 is way better than the Arduino as in terms of connectivity the Arduino boards lack the Bluetooth and the Wi-Fi functionality on their own. An additional ethernet shield is required for this purpose in Arduino. Whereas the ESP32 has onboard Wi-Fi capabilities which makes it more suitable for the IoT projects.

· ESP32 Vs Raspberry Pi pico
ESP 32 provides better communication support. ESP32 is cost-effective and contributes a lot by consuming low power and the raspberry pi is a small-sized computer that is used mostly for the education purpose. RPi3 requires SD card whereas the ESP32 has built-in 16MB flash memory.

· ESP32 Functions
ESP32 consists of many applications when IoT is considered, some IoT functions for which the chip is used are listed below.

· Data Processing: it includes the processing of basic input from the analogue and the digital sensors and ranges to the complex calculations with Non-OS SDK or RTOS.

· ESP-MESH: This allows the multiple nodes to communicate with each other under a wireless local area network.

· Easy Connectivity: The Bluetooth and Wi-Fi combo chip enable the easy connectivity of the ESP32.

· Networking: The dual-core and the WIFI antenna connects the embedded devices to the routers and thus data is transmitted.

· Web Server: The pages written in developmental languages and HTML can be accessed.