As my projects became increasingly complex (and required more discrete components), I decided to migrate several of them from "discrete" electronics to microcontrollers. During this transition, I ...

This second installment focuses on using QPSICE’s schematic editor, learning how to properly place and connect components. In the first installment of this power electronics course, we established the ...

This project started when a remote control was needed for a mistmachine with dmx512 interface. A dmx512 controller (Ayra OSO 240B) is the central part of a lightshow in the party cellar. But it is a ...

A Microchip Technology PIC microcontroller can be an accurate solution for calculating the timing of a pulse-width modulation (PWM) signal due to its architecture. With this design, you can measure ...

If you are a bibliophile, going to a used bookstore is a distinctly pleasant experience. Sure, you might discover an old book that you want to read. But at least some of the endorphin rush comes from ...

In this code example, a TDS probe with an integrated temperature sensor is used for the measurement of water conductivity and temperature. TDS relates to the presence of dissolved impurity (Ca+ and ...

The percentage of time in which the PWM signal remains HIGH (on time) is called as duty cycle. If the signal is always ON it is in 100% duty cycle and if it is always off it is 0% duty cycle. The ...

I’ve always appreciated simulation tools. Sure, there’s no substitute for actually building a circuit but it sure is handy if you can fix a lot of easy problems before you start soldering and making ...

Voltage dips in mains supply make fans run very slow, leaving you sweaty through hot summers, especially if you don’t own an air-conditioner (AC). Voltage may also dip because of an AC drawing a large ...