Lisa's Column

5 Tips of PCB Reverse Technology

5 Tips of PCB Reverse Technology

In the research of PCB inversion technology, the reverse deduction schematic diagram refers to the inversion of the PCB file diagram or the drawing...

Introduction to Stepper Motors

Introduction to Stepper Motors

Stepper motor is an open-loop control motor that converts electrical pulse signals into angular displacement or linear displacement. It is the main...

The definition of PCB blind and buried holes (blind holes, through holes, buried holes)

The definition of PCB blind and buried holes (blind holes, through holes, buried holes)

In high-speed PCB design, the via design is an important factor, which consists of the hole, the pad area around the hole, and the POWER layer isol...

PCB Design Considerations

PCB Design Considerations

1.    Antenna part design 1. The wiring from the Bluetooth IC to the antenna should be smooth or straight; 2. There should be no components, wiring...

Remote Health Monitoring With BLE Capability For COVID-19 Doctors

Remote Health Monitoring With BLE Capability For COVID-19 Doctors

Due to the lack of transport and the non-availability of doctors, a lot of people might not get the right treatment at the right time. This happens...

Raspberry Pi Bluetooth Speaker Audio Streaming System

Raspberry Pi Bluetooth Speaker Audio Streaming System

Making Raspberry Pi Bluetooth Speaker and Streaming audio from mic directly to speakers is difficult when we do not have a Bluetooth mic and a soun...

How to choose chip inductors for SMT chip processing?

How to choose chip inductors for SMT chip processing?

SMT chip processing? How to choose a chip inductor for SMT chip processing?  Inductor is a common electronic component in SMT chip , chip inductor ...

PCB Design Experience

PCB Design Experience

1. Detailed explanation of relevant design parameters:1. lineMinimum line width: 6mil (0.153mm). That is to say, if the line width is less than 6mi...

Precautions for correct use of relays

Precautions for correct use of relays

What people usually call product reliability refers to the working reliability of a product, which is defined as the ability to complete a specifie...

Uninterruptible Power Supply UPS HAT For Raspberry Pi

Uninterruptible Power Supply UPS HAT For Raspberry Pi

 This is the place to come if you're looking for a versatile power backup module for your embedded computer devices. Although developed for Raspber...

StackyPi - Based on Raspberry Pi RP2040 MCU

StackyPi - Based on Raspberry Pi RP2040 MCU

StackyPi - Raspberry Pi RP2040 Based Hardware for Connecting Raspberry Pi HATs StackyPi is a small and powerful board that has the RP2040 microcon...

The key point of High Frequency PCBs design

The key point of High Frequency PCBs design

High frequency circuit design is a very complicated design process, and its wiring is crucial to the entire design! Next, I will share with you som...