Licky's Column

How to Select the Right RF PCB Material

by Licky Li October 28, 2024

FR4 FR4 PCB material is a popular choice among electronic component manufacturers. However, it has a variety of drawbacks, including poor fire resi...

Posted in PCB, PCB design, PCB fabrication, RF pcb

Water level indicator

by Licky Li October 28, 2024

Posted in circuit, design

How to Interface Rotary Encoder with ESP32?

by Licky Li October 28, 2024

Interfacing a rotary encoder with an ESP32 microcontroller is a straightforward process that can be achieved using a few essential components and a...

Posted in #DIY project, DIY product, ESP32, IOT

Comparing the ESP32 vs. ESP8266 for IoT Projects: Which One is Right for You?

by Licky Li October 28, 2024

ESP32 and ESP8266 are two microcontroller boards developed by Espressif Systems that are popularly used for building Internet of Things (IoT) proje...

Posted in ESP32, esp8266, IOT

Mecanum Wheel Robot using Arduino & ESP32 CAM

by Licky Li October 28, 2024

Overview In this introductory article, we’ll explore a custom Mecanum wheel robot (Zeus Car) using an Arduino microcontroller and an ESP32-CAM mo...

Posted in #Arduino, Arduino project

Features Of RF PCB

by Licky Li October 28, 2024

The manufacture of an RF (Radio-Frequency) printed circuit board is processed by using highly-equipped machines like; Plasma etches machinery to en...

Posted in PCB design, RF pcb

Basic Best Rules For PCB Design

by Licky Li October 28, 2024

Ten Golden Rules of PCB Design. One: Keep the circuits path shortest and direct.This sounds simple, but you should keep this in mind all the ...

Posted in PCB design

Impedance Control On PCBs: What For/ How To Control/ Impedance Calculation

by Licky Li October 28, 2024

What Is Pcb Impedance? Common sense impedance control is a force and position dependent physical dynamic control method. It defines the motio...

Posted in PCB design

Ultimate Guide To PCB Schematics

by Licky Li October 28, 2024

What is a PCB schematic? The printed circuit board plan begins from the schematic layout. A circuit board schematic layout can be depicted as...

Posted in PCB design, Schematic to PCB

SPI vs UART

by Licky Li October 28, 2024

SPI (Serial Peripheral Interface) and UART (Universal Asynchronous Receiver/Transmitter) are two common serial communication protocols with distinc...

TFT LCD display module description

by Licky Li October 28, 2024

TFT displays module are liquid-crystal display panel with thin-film transistor technology, bonding with IC driver, backlight unit, and flex cable, ...

Posted in display

OLED display module description

by Licky Li October 28, 2024

OLED display is organic light emitting display, OLED display module doesn’t require the backlight, it can emit light by itself, the oled display mo...

Posted in display