February 27, 2018
custom parts in fritzing

Creating Custom Parts in Fritzing

Fritzing is an open-source prototyping platform that allows its users to easily create electrical circuits. The main advantage Fritzing has over other free circuit design tools […]
December 11, 2017

5 Interesting Tips to Calculating the Forward Kinematics of a Robot

Robots can take many different forms, from industrial material handling robots to autonomous cars. But regardless of the form they take, they are all enabled to […]
October 25, 2017

10 Free Engineering Resources for Circuit Simulation, PCB Design, and CAD

Engineering software and online resources tend to be expensive but highly beneficial purchases for professionals, students and hobbyists alike. These resources tend to be imperative for […]
September 5, 2017

4 Free Apps Every Engineering Student Should Have

Engineering majors would be the first to admit that their course load can be a difficult and demanding experience, whether at the undergraduate or postgraduate levels. […]
July 26, 2016
Equivalent Circuit of DC Brush Motor Connected to a Power Supply

Motor Current When Applying a Torque Load

Question: When applying a torque load to a DC brush motor by connecting the motor to the driver output side, rotation will become difficult, decreasing rotational […]
July 20, 2016

Power Consumption During Current Regeneration Flow

Power Consumption During Current Regeneration Flow Through the Parasitic Diode of the Output Transistor: Question: In the case regenerative current flows through the parasitic diode of […]
July 14, 2016
Current Flow

Maximum Current Flow to Motor

Question: Under what conditions does the maximum amount of current flow through the motor? Answer: Maximum current flow occurs when there is no load in one […]
July 6, 2016
current regeneration

Differences in PWM Current Regeneration Methods

Question: There seems to be different methods for current regeneration operation with PWM drive in the off-duty period. What are they? Answer: There are two main […]
June 28, 2016
PWM drive

Constant Current Operation Based on PWM Drive

Question: How does constant current operation via PWM drive work? Answer: As an example, a small resistor can be inserted at the groundside side of the […]
June 27, 2016
DC brush

Simple DC Brush Motor Control

Question: What’s the easiest way to operate (stop/rotate) DC brush motors?   Answer: Simply inserting a switch between the DC brush motor and power supply will […]
June 25, 2016
how to calculate power consumption

How To Calculate Power Consumption

Question: Is the power consumption of brush motor drivers calculated by: (LSI Circuit Current x Motor Current) x Supply Voltage?   Answer: With the (Motor Current […]
June 24, 2016
output current

Maximum Rated Output Current

Question: Although there is a provision of ○○A included in the absolute maximum rating for output current, current flow under impulse conditions may exceed this value. […]