CircuitMaker_Overview

已创建：February 24, 2017
已更新：March 16, 2020

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Don’t Settle for Better Late Than Never: Packing and Shipping Your PCBs

Packing and Shipping Your PCBs: Best PCB Packaging Standards I mailed my last Christmas present yesterday, a few weeks after the holidays are over. I’m only a little embarrassed; I like to do a very precise job with wrapping even if I’m not terribly concerned with punctuality. The package was for a friend overseas who had a craving for her favorite American candies. Let me tell you: a beautiful wrapping job on a bag of fun-size Butterfingers is no small feat. Circuit board packing and shipping are more 阅读文章

Lithium Iron Phosphate Battery vs Lithium Ion For Embedded Systems

Lithium Iron Phosphate Battery vs Lithium Ion For Embedded Systems Two of the most popular battery choices for embedded systems are lithium-ion batteries (Li-Ion) and lithium iron phosphate batteries (Li-phosphate or LiFePO 4). These two types of batteries have very different charging and discharging characteristics, although they have similar chemistry and use some of the same materials. In some systems, you could use either type of battery, but each has its advantages in different applications, which can 阅读文章

RS-485

The RS-485 Interface in a Wireless World RS-485 is still relevant, even if it does not use those big D-sub connectors. 阅读文章

Mastering Magnetism: Hall Effect Sensors and Applications for PCBs

Mastering Magnetism: Hall Effect Sensors and Applications for PCBs Magnetism allows you to do some really cool things—especially when electrons move through a magnetic field. One device that uses the deflection of electron motion for sensing is a Hall effect sensor. These little devices are used in automotive, manufacturing, consumer electronics, and other industries. The Hall effect basically allows a magnetic field to be sensed, which offers several possible applications. Some of the possible applications 阅读文章

How to Setup and Interface with WS2812B LEDs

How to Setup and Interface with WS2812B LEDs for PCB Are you in the mood for a good laugh? Well, I have a story for you. I’m a design engineer with decades of experience, but a LED project recently almost brought me to my knees in despair. I used to think that LEDs were as simple as getting the light emitting diode connected to a limiting resistor and a power supply. Aren’t they? That’s exactly what went through my mind as I worked on an architecture model lighting project a couple of years ago. On 阅读文章

4-layer stackup 50 Ohms

Designing a 4 Layer Stackup With 50 Ohm Impedance PCB Traces Your 4-layer PCB stackup with 50 Ohm impedance will constrain your trace width to sit within a specific range of values. 阅读文章

PCB copper thickness

What PCB Copper Thickness Should You Use? Do you know what PCB copper thickness you should use in your circuit board? Learn more about 0.5 oz/sq ft or 1.0 oz/sq ft copper thickness standards and what it means for your fabrication process in this guide. 阅读文章

Rotation-proof pin header

Can You Design a Rotation-Proof Connector Pinout? There are times where your connector pinout needs to be adaptable and reversible. What’s the easiest way to do this? Use a rotation-proof connector in your PCB. 阅读文章

2-layer PCB Routing

Can You Route Digital Signals on a 2-layer PCB Design? 2-layer PCBs are a common entry-level choice for designers, and they can even support high speed designs if built correctly. 阅读文章

1 oz copper weight

Do You Always Need 1 oz. Copper Thickness on Each Layer? 1 oz. copper thickness is often seen as a standard thickness value used in many designs. Here’s when you might need thicker copper on every layer. 阅读文章

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