Licky's Column

Arduino vs. Raspberry Pi

by Licky Li October 31, 2024

Arduino The Arduino is defined as a simple microcontroller motherboard. The Arduino helps us to make the projects simpler. It was developed to cre...

Why Raspberry Pi is Better than ESP32?

by Licky Li October 31, 2024

The Raspberry Pi and the ESP32 are the two most popular and important platforms for electronic and programming projects. Both of these have several...

What Is a Relay Module and What Does it Do?

by Licky Li October 31, 2024

With many electrical systems requiring higher power than what a microcontroller can provide, the relay module finds use in a lot of different appli...

Relay Module Circuit and Components

by Licky Li October 31, 2024

The Relay Module What’s the relay module to begin with? The relay module is a type of device that helps you control an electrical circuit by openin...

4-Channel Multi Mode Audio Amplifier

by Licky Li October 31, 2024

Multi mode audio amplifier circuit Fig. 2: Power supply circuit of the amplifier The circuit of the simple 4-channel multi mode audio amplifier i...

How to set up an ultrasonic range finder on an arduino ?

by Licky Li October 31, 2024

THE SPEED OF SOUND Ultrasonic range finders measure distance by emitting a pulse of ultrasonic sound that travels through the air until it hits an ...

9 Tips for Impedance control in High-speed Digital PCB Design

by Licky Li October 31, 2024

Impedance control is an integral aspect of everything related to PCBs. It is necessary for all stages – starting from design to implementation. Ove...

Posted in Impedance, Impedance Control PCB, PCB Impedance Matching