Licky's Column

ESP32 Cam Project Development Example on Ubuntu

by Licky Li October 31, 2024

About ESP32-CAM ESP32-CAM is a small-sized camera module released by Ai-Thinker Co., Ltd, which can work independently as the smallest sy...

PCB Schematic Design – Step by Step Guide

by Licky Li October 31, 2024

PCB Schematic Design Software Recommendation When selecting a PCB schematic design software, it is important to consider the features and...

Difference between CPU, MPU, MCU, SOC and SOPC

by Licky Li October 31, 2024

What is CPU? The CPU (Central Processing Unit) is the computational and control core of a computer. The CPU is composed of an arithmetic lo...

Arduino UNO R3 and R4 Boards

by Licky Li October 31, 2024

Arduino UNO R3 The Arduino Uno R3 serves as the primary circuit board for most Arduino devices or as the main circuit board connected to th...

Drive IC for Micro Stepper Motors

by Licky Li October 31, 2024

Schematic Diagram These chips are all dual H-bridge motor control ICs, capable of driving two DC motors or one stepper motor, as shown in t...

Wireless RF Energy Harvesting: RF-to-DC Conversion and a Look at Powercast Hardware

by Licky Li October 31, 2024

About Wireless Energy Transfer Technology As accelerating charges move along a conductor, they alter the electromagnetic field in the surrounding s...

More efficient board design for RF, analog and digital

by Licky Li October 31, 2024

One major obstacle to the transfer of RF circuits to PCBs has been the need to preserve not just impedance and ground-plane requirements, but also ...

The impact of HDI and microvias on PCB design

by Licky Li October 31, 2024

Alternative stackups using blind and buried vias Four commonplace approaches to the blind and buried via stackups were used. Each structure used th...

ATmega4809 Curiosity Nano

by Licky Li October 31, 2024

ATmega4809 Features As the first megaAVR device to integrate core-independent peripherals (CIP), the ATmega4809 performs tasks in hardware ...

Hardware Debugger Tools in Embedded Systems

by Licky Li October 31, 2024

What is a Hardware Debugger? A hardware debugger is a tool that communicates with a microcontroller through a debugging interface, allowing...

How to Reduce Power Supply Noise in Circuit Board?

by Licky Li October 31, 2024

What Is power distributor system (PDS) A power distributor system (PDS) is a device that distributes power to multiple devices or circuit...

IC Packaging and IC Testing Market Landscape Analysis

by Licky Li October 31, 2024

IC testing is to detect whether the chip has design defects or physical defects caused by the manufacturing process. The process can be conducted b...