All About Circuits

Latest Firmware Technical Articles

Categories

Designing Firmware for Embedded Systems Using Warnier-Orr Diagrams

Designing Firmware for Embedded Systems Using Warnier-Orr Diagrams

Go from chaos to clarity by learning how to design programs for embedded systems leveraging the Warnier-Orr diagrams.


TinyML In Action—Creating a Voice Controlled Robotic Subsystem

TinyML In Action—Creating a Voice Controlled Robotic Subsystem

We’ll be walking you through creating a robotic subsystem with a voice-activated motor leveraging machine learning (ML) and an Arduino Nano 33 BLE Sense.


Projects Jul 03, 2022 by Jake Hertz
Introduction to Battery Management Systems

Introduction to Battery Management Systems

Learn the high-level basics of what role battery management systems (BMSs) play in power design and what components are necessary for their basic functions.


JTAG Implementation in Arm Core Devices

JTAG Implementation in Arm Core Devices

This article will teach you about the intersection between JTAG and Arm core devices, with special attention paid to the Arm Debug Interface or ADI.


JTAG Connectors and Interfaces

JTAG Connectors and Interfaces

Learn about the interfaces and connectors used to implement JTAG.


The JTAG Test Access Port (TAP) State Machine

The JTAG Test Access Port (TAP) State Machine

In this article, we’re going to look at the test access state machine in detail and even see some pseudocode for a simple JTAG interface.


Introduction to JTAG and the Test Access Port (TAP)

Introduction to JTAG and the Test Access Port (TAP)

In this article, we’re going to be talking about JTAG, the ubiquitous hardware tool used for testing, programming, and debugging.


Using a Supervisory Circuit to Turn a Conventional SRAM into Fast Non-Volatile Memory

Using a Supervisory Circuit to Turn a Conventional SRAM into Fast Non-Volatile Memory

How can you build a fast non-volatile memory from a conventional SRAM? It turns out, you only need a back-up battery and some control circuitry.


Watchdog Timers in Microcontrollers

Watchdog Timers in Microcontrollers

This article is the fourth of a series on microcontroller timers which discusses internal watchdogs.


 Real Time Clocks (RTCs) in Microcontroller Timers

Real Time Clocks (RTCs) in Microcontroller Timers

This article is the third of a series on microcontroller timers which describes the RTCs inside a microcontroller.


Introduction to Microcontroller Timers: Periodic Timers

Introduction to Microcontroller Timers: Periodic Timers

This article, the first in a series on “timer/counter” functions in microcontrollers, discusses periodic timers.


Sensors and Controls with the RN487x Bluetooth Module from Microchip

Sensors and Controls with the RN487x Bluetooth Module from Microchip

Learn about the RN487x family of Bluetooth modules and how to configure them for your low-power peripheral projects.


Concurrency and Interrupts in Microcontrollers and Embedded Systems

Concurrency and Interrupts in Microcontrollers and Embedded Systems

This article introduces the idea of concurrency and a mechanism that many computers provide for dealing with concurrency called interrupts.


Embedded Firmware Tips: How to Initialize Arrays in C with Signal Waveforms and Other File Data

Embedded Firmware Tips: How to Initialize Arrays in C with Signal Waveforms and Other File Data

This article shows how to initialize arrays in a C program with values from text files.


Assembly vs. C: Why Learn Assembly?

Assembly vs. C: Why Learn Assembly?

This article discusses two programming languages, namely, C and Assembly, and presents the need to know Assembly language for programming embedded systems.


Embedded Firmware Tips: Converting Digital Signal Waveforms into Code with Scilab

Embedded Firmware Tips: Converting Digital Signal Waveforms into Code with Scilab

This article describes a simple procedure that helps you to introduce a wide variety of signals and mathematical functions into your microcontroller projects.


What Is Clock Frequency? Embedded Firmware Tips and Tricks

What Is Clock Frequency? Embedded Firmware Tips and Tricks

You can simplify MCU development if you make sure that your firmware has access to a numerical value that corresponds to the processor frequency.


Embedded Firmware Tips and Tricks: Use Your Read Only Memory to Free Up RAM

Embedded Firmware Tips and Tricks: Use Your Read Only Memory to Free Up RAM

Learn how to use code memory to free up RAM on your MCU.


Introduction to DRAM (Dynamic Random-Access Memory)

Introduction to DRAM (Dynamic Random-Access Memory)

This article will examine the basic operation of Dynamic Random Access Memory (DRAM), along with how a DRAM chip is organized.


Hardware Security Vulnerabilities that Engineers Should Know

Hardware Security Vulnerabilities that Engineers Should Know

Why should engineers care about hardware security? Because they can help prevent vulnerabilities through design!