The HC-05 Bluetooth Module enables wireless serial communication between microcontrollers and Bluetooth-enabled devices such as smartphones and computers. It supports easy UART communication and is compatible with Arduino, ESP32, Raspberry Pi, STM32, and other development boards, making it ideal for robotics, IoT, home automation, and DIY electronics projects.

The ESP-01 ESP8266 Wi-Fi Module is a compact and powerful wireless transceiver that enables microcontrollers to connect to Wi-Fi networks. Featuring UART communication and low power consumption, it is ideal for IoT, home automation, wireless data transmission, and DIY electronics projects. Compatible with Arduino, STM32, and other microcontroller platforms.