Designing antennas for compact IoT devices is a tricky task, but an increasingly important one. Learn more about this challenge and how to meet it.
August 18, 2023 by Nthatisi Hlapisi
Explore the seven states of the Bluetooth LE radio, how the link layer state machine manages the LE radio, and the roles of these states in wireless communication.
June 16, 2023 by Nthatisi Hlapisi
Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous interpretations of this specification.
May 07, 2023 by Dr. Steve Arar
Learn about the immittance Smith chart (ZY Smith chart), the effect of adding series and parallel components, impedance matching, and finding a two-element matching network.
March 31, 2023 by Dr. Steve Arar
Go from chaos to clarity by learning how to design programs for embedded systems leveraging the Warnier-Orr diagrams.
March 10, 2023 by Nthatisi Hlapisi
Learn about the Bluetooth low energy (BLE) wireless communication protocol, namely its features, protocol stack, and how it communicates with devices.
February 19, 2023 by Nthatisi Hlapisi
Quadrature networks convert a single input signal into two outputs with a 90-degree phase difference. This article explains how to design quadrature networks using all-pass filters.
December 23, 2022 by John Woodgate
Dive deeper into the Internet of Things (IoT) communication through a brief overview of the different IoT data protocols.
June 16, 2022 by Ignacio de Mendizábal
This article shows you how to add bias values to a multilayer Perceptron implemented in a high-level programming language such as Python.
February 05, 2020 by Robert Keim
In this article, we’ll perform some classification experiments and gather data on the relationship between hidden-layer dimensionality and network performance.
February 04, 2020 by Robert Keim
This article provides guidelines for configuring the hidden portion of a multilayer Perceptron.
January 31, 2020 by Robert Keim
In this article, we’ll use Excel-generated samples to train a multilayer Perceptron, and then we’ll see how the network performs with validation samples.
January 30, 2020 by Robert Keim
This article explains why validation is particularly important when we’re processing data using a neural network.
January 28, 2020 by Robert Keim
This article takes you step by step through a Python program that will allow us to train a neural network and perform advanced classification.
January 19, 2020 by Robert Keim
This article discusses the Perceptron configuration that we will use for our experiments with neural-network training and classification, and we’ll also look at the related topic of bias nodes.
January 09, 2020 by Robert Keim
This article presents Python code that allows you to automatically generate weights for a simple neural network.
November 24, 2019 by Robert Keim
This article demonstrates the basic functionality of a Perceptron neural network and explains the purpose of training.
November 17, 2019 by Robert Keim
This article explores the basic theory and structure of a well-known neural network topology.
November 13, 2019 by Robert Keim
This article shows how to initialize arrays in a C program with values from text files.
September 25, 2019 by Stephen Colley
RPi has done some amazing good in the world, especially for aspiring young engineers, but here's the breakdown on why it's probably not what you need for a professional project.
July 19, 2019 by Pallav Aggarwal
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