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 19, 2016
car sensors

How To Make Parking Assist Car Sensors

In this tutorial, we will illustrate the installation and the use of simple, low-cost parking assist car sensors. We will use two HC-SR04 ultrasonic sensors and […]
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 […]
July 5, 2016
driver assist

Driver Assist Car Predicts Your Moves

Imagine that you are driving a car down a road in an unfamiliar area. You quickly turn right after realizing that your destination is on the […]
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 […]