Licky's Column

IR Sensor vs. Ultrasonic Sensor

by Licky Li

IR Sensor vs. Ultrasonic Sensor

Here are the key differences between an IR sensor and an ultrasonic sensor: IR Sensor: Operates based on infrared light. Good for short to medi...

H-bridge Motor Driver Circuit design

by Licky Li

H-bridge Motor Driver Circuit design

Here is a general overview of an H-bridge motor driver circuit design: Components: Four power transistors (such as MOSFETs or IGBTs) for the H-...

The difference between Servo Motor Controller and Servo Motor Driver

by Licky Li

The difference between Servo Motor Controller and Servo Motor Driver

The main differences between a servo motor controller and a servo motor driver are as follows: Servo Motor Controller: Deals with higher-level ...

RF PCB Layout Tips and Tricks

by Licky Li

RF PCB Layout Tips and Tricks

Here are some RF PCB layout tips and tricks: Tip 1: Component Placement OptimizationPlace RF components in a way that minimizes signal path lengt...

What are the common faults of RF modules in wireless communication systems?

by Licky Li

What are the common faults of RF modules in wireless communication systems?

The common faults of RF module in wireless communication system include: 1. Weak or no signal: It may be caused by poor antenna connection, antenna...

17 steps to summarize the entire PCB design process

by Licky Li

17 steps to summarize the entire PCB design process

PCB design is a complex process that typically involves many steps. Here is a summary of the key steps in the PCB design process: Gather requirem...

Design a battery-powered STM32 board with USB

by Licky Li

Design a battery-powered STM32 board with USB

Here is a basic design of a battery-powered STM32 board with USB: STM32 Microcontroller: Select an appropriate STM32 microcontroller that suits y...

Understand radio frequency and microwave

by Licky Li

Understand radio frequency and microwave

Radio frequency, abbreviated as RF (Radio Frequency), mainly refers to the emitted radio waves and is mostly used in wireless communications. Micr...

The usage method of the chip burner

by Licky Li

The usage method of the chip burner

The steps to use a chip burner are roughly as follows: 1. Prepare the burner. Make sure the model of the burner supports the chip model to be burn...

What are the features and advantages of Wearing flexible PCBS？

by Licky Li

What are the features and advantages of Wearing flexible PCBS？

In today's ever-changing science and technology, wearing flexible PCB is gradually becoming the new darling of the industry. So, what are its uniqu...

SPI and QSPI: What are the similarities and differences？

by Licky Li

SPI and QSPI: What are the similarities and differences？

First of all, let's understand what SPI and QSPI are. SPI, full name Serial Peripheral Interface, is a synchronous serial interface used for commu...

Common 5 types of relays

by Licky Li

Common 5 types of relays

1. Electromagnetic Relay: Electromagnetic relays are one of the most common and classic types of relays. It includes a coil, and when current pass...