This article describes the programming language ladder logic used to program PLCs and shows examples of how it functions.
November 21, 2018 by Stephen St. Michael
Noise on switch mode power supplies (SMPSs) sometimes gets a bum rap.
November 12, 2018 by Eric Bogatin
This article explains some theory behind piezoelectric sensors and presents an equivalent circuit that you can use when you’re designing sensor systems.
October 15, 2018 by Robert Keim
In this episode of the Gentleman Maker, we're using a Raspberry Pi and an Arduino Uno to stave off the onslaught of dogs trying to eat every single plant in our garden.
August 09, 2018 by Robin Mitchell
This tech brief provides an overview of a somewhat uncommon member of the flip-flop family.
April 17, 2018 by Robert Keim
This is a protoype of a fitness wearable device designed to vibrate when it detects stagnation.
December 13, 2017 by Demsey Kirkwood
Get an intro to overcurrent protection and OCPDs (overcurrent protection devices).
October 27, 2017 by Ahmed Faizan
Learn about sensorless brushless DC motor controllers, some example ICs, and some disadvantages of using such motors.
October 18, 2017 by Nick Davis
A Picaxe 08M2 microcontroller and an HIH6030 sensor team up to easily control a ventilation fan using temperature or humidity or both.
September 25, 2017 by Raymond Genovese
In this article, we’ll develop and test an algorithm for automatically shutting down a robot in response to a collision (or some other violent event).
September 21, 2017 by Robert Keim
Learn how to make a tachometer and speedometer using a C8051 microcontroller, an optoelectronic sensor, and a spinning disc.
September 06, 2017 by Nick Davis
In this article, we’ll discuss the hardware design for a robotics PCB, and we’ll write firmware for controlling two DC motors.
August 25, 2017 by Robert Keim
Learn the difference between slow decay mode and fast decay mode, why these names are used, and how they influence motor deceleration.
August 10, 2017 by Nick Davis
This article presents an overview of various applications which exploit convolution, an advanced signal operation.
July 19, 2017 by Sneha H.L.
An introduction to the basic operation of solid-state relays with a focus on the output devices in today’s SSRs.
June 16, 2017 by Dr. Steve Arar
Dive under the hood of an FPGA: Just what is inside of an FPGA that makes it so different from a microcontroller and yet still so versatile?
June 09, 2017 by Duane Benson
MOSFETs are certainly not new technology, but ongoing performance improvements make it worth your while to keep an eye on new releases.
May 19, 2017 by Robert Keim
Gate-driver ICs such as the DGD0506 provide a convenient and efficient way to control high-current loads.
May 18, 2017 by Robert Keim
You can improve performance in motor-control applications by using brushless DC motors and handy driver ICs such as the BU69090NUX.
April 28, 2017 by Robert Keim
This article is a deeper dive into the speed-related recovery characteristics of rectifiers, and how this dynamic behavior has significant effects on the circuits in which the rectifier is placed.
April 21, 2017 by Lonne Mays
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