1. What is AXI?

AXI is short for automated X-ray inspection, it's one of the most commonly used approaches for defect inspection in PCB Assembly. Not only does AXI check the solder joints under components, but it also reveals many defects in solder joints that may not be visible by the ordinary optical inspection equipment.

2. How Does AXI Work?

In order to effectively inspect the PCB Assembly’s quality, three conditions are required for AXI:

First, X-ray is a must:

Unlike automated optical inspection (AOI), automated X-ray inspection (AXI) uses 

X-rays as its light source, instead of visible light, and utilize its penetrating a

To Our Dearest Customers Who Place PCBA Orders to Us:

You know that every time when you send an inquiry for PCBA project, our project manager will ask you to send the Gerber file and BOM to us so that we can work on the quotation accordingly. Today what we want to talk about is the MPN, which is a key column in your BOM list.

Firstly, what is MPN? How to get the correct MPN?

The MPN(manufacturer part number) is an uniform component code, which is recognized by all

Recently, with the increasing PCB&PCBA orders and more and more customers visiting ELECROW, we did a big upgrading to our workshop and production line, to give back to all of our old customers and new customers, we are now launching below ANNUAL BIG Promotion for PCB&PCBA orders:

Starting from May 23th 0:00 am to June 23th 24:00 p.m

1.Pay ONLY $0.99, and you will get maximum 10pcs PCBs (1 or 2 layers, up to 10*10cm), how

Why coding is so important to kids?

In recent years, “learning to code” has always been big popularity, then someone will ask: “why is coding so important to kids?”We acknowledge that coding is the DNA of the digital world, it’s not hard for us to find everything around us, including phone Apps, websites, and even many home appliances rely on coding to work. So that’s why programmers are in high demand. Developing a coding literacy will affect kids a lot, it makes kids a better thinker, they will think logically to find a perfect solution when encountering things. Also once kids know how to program, a whole world full

I work as the sales&Marketing manager in Elecrow company. One of its business is to develop STEAM education products. So I learned lots of new knowledge in this area both from my working career and the after-work activities. In this article, I will talk about the topic of why teach kids to code according to my personal experience and independent thinking.

Recently, a lot of smart home applications are going on, people prefer to move from traditional way of controlling stuff into more automatic way.
For example, TVs and Air conditioners till today are being used with a dedicated remote controller. In our tutorial today - we are going to change it!We gonna teach you how to use Arduino Crowtail LED in order to capture the existing code from your TV remote and send it programatically using a push of a button!

The last time we did the first version of Sundancer and received many good feedback, so this time we will make a new ones which is more elegant and cool Sundancer.

This time we will use acrylic materials to build this project. Below is a butterfly-shaped box that can be used to hide the main control board and other things to make it look simpler and more beautiful. Of course, if you have a small charger, you can put it inside, so that the Sundancer

You need to open your circuit design software before you start your project cause you must know how the electrical circuits will work as an electronics engineer. I know that choosing the right one from a multitude of software is a tangled thing. Here we list the most popular 10 ones for your reference.

1.Eagle（Easily Applicable Graphical Layout Editor）

It provides the best of both worlds: the

More and more devices have USB-C ports as the main interface. Compared to the USB Type-A port, the USB-c port provides a range of powerful features that enable a variety of roles. Smartphones have switched to new USB-C ports due to their faster charging and data transfer capabilities, and many modern laptops have USB-C ports. As mentioned earlier, Apple's MacBook Pro fully embraces this powerful new technology and only supports the USB-C port. According to the site, Apple will likely have its 2019 series of iPhones come with USB Type-C support.

Not all of us we’re able to buy or get CrowPi for our own, In Elecrow, we care about all our customers so we crafted a special tutorial on how to use Minecraft magic blocks with NFC chips without CrowPi! Follow this instructions step by step on your fresh new raspberry pi image in order to get the RFID working on your raspberry pi with RC-522 module and be able to play using RFID Module and the NFC chips! https://github.com/Elecrow-keen/CrowPi.git clone and install the RC-522 driver from the Drivers/RFID/ directory using the command "python setup.py