Licky's Column

TP4056 1A Battery Charger Module with Protection Circuit

by Licky Li

TP4056 1A Battery Charger Module with Protection Circuit

5 ways to use the new Raspberry Pi 5

by Licky Li

5 ways to use the new Raspberry Pi 5

The release of the Raspberry Pi 5 in 2023 signifies a major leap forward for the popular line of single.board computers. Building upon the success ...

What is the difference between type C and micro USB?

by Licky Li

What is the difference between type C and micro USB?

Understanding UsB-C and Micro USB Technologies In the ever-expanding ecosystem of electronic devices, USB-C and Micro USB stand out as essentialcon...

Design of an RF Board with Sensors

by Licky Li

Design of an RF Board with Sensors

Specifications of this RF board This design is a 4-layer board ofdimensions 50 mm x60 mm 2.4 GHz is the operating frequency Includes an air qualit...

RF Circuit vs. Analog Circuit vs. Digital Circuit

by Licky Li

RF Circuit vs. Analog Circuit vs. Digital Circuit

An RF circuit is a special type of analog circuit operating at the very high frequencies suitable for wireless transmission. One salient feature of...

Simple RF Circuit Design

by Licky Li

Simple RF Circuit Design

RF stands for Radio Frequency, which represents the oscillation rate of electromagnetic waves. Frequency is measured in Hertz (Hz), which is equal ...

Obstacle Avoider Robot Using Arduino and IR Sensor

by Licky Li

Obstacle Avoider Robot Using Arduino and IR Sensor

IntroductionObstacle avoider robots powered by Arduino and IR Sensor are the perfect introduction for thoseeager to learn robotics. Unlike other ro...

Radio Frequency

by Licky Li

Radio Frequency

What is an RF module? RF radio freguency) module is a small electronic device, to transmit and receive datawirelessly using radio signals. In an em...

5 Common Mistakes in PCB Assembly that can cause PCB failure

by Licky Li

5 Common Mistakes in PCB Assembly that can cause PCB failure

Reasons for PCB Failure: Cracking of Flex Flex cracking is a term used when the excess stress on a ceramic chip capacitor causes the PCB to bend ex...

STM8 Microcontrollers: Advanced 8-bit MCU Series by STMicroelectronics

by Licky Li

STM8 Microcontrollers: Advanced 8-bit MCU Series by STMicroelectronics

Features of STM8 Microcontrollers 1. Advanced STM8 Core: Utilizing a Harvard architecture with a 3-stage pipeline, the CPU can reach speeds...

PCB Design Rules For Wiring And Crosstalk

by Licky Li

PCB Design Rules For Wiring And Crosstalk

Today’s electronic devices market demands miniaturized printed circuit boards (PCBs) with a multitude of high-speed functions integrated on a singl...

5 methods to teach you how to waterproof your PCBA boards

by Licky Li

5 methods to teach you how to waterproof your PCBA boards

structural waterproofing As the initial method used for PCBA waterproof in the electronics industry, its main waterproof concept is “hydropho...