Simplifying Embedded Systems: Learn, Innovate, Consult

Compare Two Firmware Version Strings in C

EmbeddedWala Jan 8, 2024 0 1.6K

Develop a C code that compare the two strings, containing the two firmware versions. e.g. char fw_ver1 [] = "1.2.1" and char fw_ver2 [] = '1.2.2". Code has to compare if first version is higher, lower or if equal to the second version. code has the s...

STM8S Temperature Monitor: LM35 & 7-Segment DIY Project

EmbeddedWala Dec 30, 2023 0 2.0K

Learn how to build a temperature monitoring system using the STM8S microcontroller, LM35 temperature sensor, and a 7-segment display. We'll walk you through each step, from assembling the hardware to writing code in STM8S, ensuring you gain hands-on ...

Weak Symbols vs Strong Symbols in C

EmbeddedWala Dec 28, 2023 0 4.5K

In the world of C programming, symbols play a vital role in connecting different parts of a program during the linking process. Two types of symbols, namely weak and strong symbols, influence the linking behavior, providing developers with flexibilit...

What is Switch Debouncing?

EmbeddedWala Dec 16, 2023 0 2.3K

Switch debouncing is the process of eliminating or minimizing the effects of multiple transitions or bounces in the signal generated by a mechanical switch. Mechanical switches are prone to bouncing, causing the electrical contacts to make and break ...

Debugging The Embedded System

EmbeddedWala Dec 9, 2023 0 3.1K

Embedded systems play a pivotal role in our daily lives, powering a vast array of devices, from simple household appliances to complex industrial machinery. Developing software for embedded systems comes with its unique set of challenges, and efficie...

Microcontroller Interview Questions

EmbeddedWala Oct 10, 2023 0 9.9K

A microcontroller is a compact, integrated circuit (IC) that contains a processor core, memory, and input/output peripherals. It is designed to perform specific tasks and control various devices or systems. Microcontrollers are widely used in a varie...

Harvard vs Von Neumann Architecture

EmbeddedWala Sep 27, 2023 0 4.8K

The terms "Harvard architecture" and "von Neumann architecture" describe two fundamental approaches to designing computer systems, specifically in how they handle memory and data. These architectures have several key differences:

Thread Vs Handler Mode Arm Cortex-M

EmbeddedWala Sep 25, 2023 0 5.3K

In ARM Cortex-M microcontrollers, "Thread Mode" and "Handler Mode" are two distinct execution modes that determine how the processor handles and prioritizes interrupts and exceptions. These modes are crucial for managing the control flow and handling...

What is 16x2 Parallel LCD ?

EmbeddedWala Aug 14, 2023 0 1.7K

A 16x2 LCD display refers to a Liquid Crystal Display module with 16 columns and 2 rows of characters, also available in multiple combinations of 18x4, etc. Each character space can display a single alphanumeric character, symbol, or custom character...

RS232 VS RS485

EmbeddedWala Aug 14, 2023 0 2.1K

RS-232 is a widely used serial communication standard for shorter distances, while RS-485 is suitable for longer distances with better noise immunity. RS-232 uses single-ended signalling with a shared ground, while RS-485 uses differential signaling ...

What is Memory Protection Unit ?

EmbeddedWala Aug 12, 2023 0 2.7K

Memory protection is a crucial mechanism that ensures the security and integrity of data in computer systems. It involves hardware and software techniques to control memory access, prevent unauthorized modifications, isolate processes, and prevent un...

What is Bit-Banding

EmbeddedWala Jul 16, 2023 0 3.0K

Bit-Band memory is a memory-mapping technique that simplifies bit-level operations in microcontrollers and embedded systems. It provides direct access to individual bits through unique alias addresses, eliminating the need for complex bitwise operati...