This challenge goals to show the data entered in a cell phone on an LED dot-matrix sort scrolling show. It’s carried out by interfacing a Bluetooth HC-05 module to an LED dot-matrix show utilizing an STM32 board.
The STM32 board, often known as Blue Capsule growth board, incorporates STM32F103C8T6 microcontroller from STMicroelectronics. It’s a 32-bit ARM Cortex M3 controller with excessive clock frequency that’s appropriate for high-speed and energy constraint functions.
LED dot-matrix is a broadly used show that’s seen in digital clocks at railway stations, airports, and so forth to point out arrival and departure time of trains and airplanes. Elements required for the challenge are listed underneath Invoice of Materials desk. Writer’s prototype of the LED dot-matrix scrolling show utilizing STM32 controller is proven in Fig. 1.