BeagleBone Black Das uboot bootloader compilation

Introduction : Das uboot is the most famous second/third stage bootloader  in a embedded Linux system. In this post, let’s compile the opensource Das uboot and boot BeagleBone black till uboot prompt. In the upcoming posts, we will explore more u-boot options, NFS boot, MMC boot, TFTP boot etc ..

8051 interfacing with a buzzer

In this post, let us see the interfacing of a buzzer with 8051 microcontroller.  Buzzer is a signalling device that can able to make buzzing noise on applying voltage.  

8051 LCD Interfacing

LCD is the abbreviation for Liquid-crystal-display. It can able to display characters, numbers, and special characters. LCD is further sub characterized into two types: