Zeus LT---A multi-function interface board for the Commodore 64

Amigastyle, who is a big fan of Commodore 64 computers, designs Zeus LT Board, a multi-function interface board for Commodore 64. Plugging the Zion adapter into the Zeus LT, you could open up a world of more possibilities:Control smart home devices;Design, test, and debug Internet-of-Things (IoT) solutionsDevelop retro gamesLearn or teach basic electronics and basic programmingZion is a simple but essential interface between your Commodore 64 and your Zeus LT. It comes in two versions---Zion LT ...

Interface Board Crowd Supply Commodore 64 Zeus LT

Good PCB Substrate Selection Makes Your PCB Design Half-successful

Many characteristics of PCB are determined by the substrate,improper selection of the substrate will not only affect some performance of the product. Such as heat resistance, product operating temperature, insulation resistance, dielectric loss, etc. It will even affect the cost of the manufacturing process, so understanding the characteristics of the PCB substrate, selecting the substrate, and choosing the substrate reasonably is one of the important contents of PCB design.However, many PCB des...

PCB Substrate CCL PCB Manufacturing PCB Design

Meet The Winners of PCBWay 3rd PCB Design Contest

Hi PCBWayers,Here we are announcing the winners of PCBWay 3rd PCB Design Contest. After more than half a year, we finally see this exciting moment. Thank you, all the participants for their active participation, we have seen many excellent PCB designs and advanced ideas this year. Thank you, all the judges for their participation, so that our contest can be completed with fair and professional scoring. Your participation is our PCBWay’s great honor. The Best Designs1st Prize: Axiom: 100kW motor ...

judge 3rd PCB Design Contest winner announcement shared projects startup PCBWay PCB Design

DIY Automatic Hand Sanitizer Dispenser, without Arduino or MCU

Let’s fight with COVID-19 with ElectronicsBy Hesam Moshiri, Anson BaoAs we all know, the COVID-19 outbreak hit the world and changed our lifestyle. In this condition, Alcohol and hand sanitizers are vital fluids, however, they must be used properly. Touching alcohol containers or hand sanitizers with infected hands can spread the virus to the next person. In this article, we will build an automatic hand sanitizer dispenser that uses IR sensors to detect the presence of a hand and activates a pum...

Automatic Hand Sanitizer Dispenser

MNT Reform---Maybe the Most Open Source DIY Laptop

Note:The MNT Reform now is in the stage of crowdfunding at the Crowd Supply. So if you are interested in this open-source DIY laptop, you can pre-order it. After the crowdfunding is completed, as the partner of the Crowd Supply, PCBWay will manufacture and assembly the motherboard, keyboard, and trackpad/trackball.Undergoing many changes from its earlier version, the latest version of the MNT Reform is the most friendly open source DIY laptop for hacking, customization, and privacy.It’s comprise...

3D Printed Parts OLED Display Trackball Nitrogen8M SOM Open Source

AZEnvy - From the idea to the finished product - A success story

Hi, my name is Niklas Heinzel and I am the inventor of AZEnvy, the world's first environmental development board based on the ESP12F with a wide range of options for every maker, hobbyist, student and developer. But the path from the idea to the finished product, which can be sold, is rocky and not always easy. But it's definitely worth ambition and to believe in what you're working on.The idea was to create a multifunctional board that is as small as possible, energy-saving and versatile. In my...

shared projects startup PCBWay PCB Design WLAN ESP12F IOT DIY Maker AZEnvy

What is Impedance Control?

Impedance control (EImpedance Controlling), there will be a variety of signal transmission in the conductors in the circuit board, to increase its transmission rate must increase its frequency, if the line itself due to etching, stack thickness, wire width, and other different factors, will The impedance is worth changing, and the signal is distorted. Therefore, the impedance value of the conductor on the high-speed circuit board should be controlled within a certain range, called "impedance con...

ground plane Stripline Microstrip Impedance Control

Submit for Publication - Now I Write Articles in PCBWay

PCBWay’s Open Source Community is to build a sharing platform for global makers. Whenever you have something that you think should be discussed on PCBWay, we want to hear from you. We can discuss about your current project together, solve a problem together, or participate in activities together. Be proud to be a maker and show yourself in our community.How to get my articles be published?1.Submit your article in the form of Word (.doc) and Email to eric@pcbway.com2.Our editor will review the ar...

contributors Community Submit for Publication writing pcbway blog

Through-Hole Assembly

Through-hole technology (also spelled "thru-hole"), refers to the mounting scheme used for electronic components that involve the use of leads on the components that are inserted into holes drilled in printed circuit boards (PCB) and soldered to pads on the opposite side either by the manual assembly (hand placement) or by the use of automated insertion mount machines.The quality of the solder joint is important for several reasons. The solder joint is the actual connection between the component...

SMT technique electronic components solder joint thru-hole

Basic Information about LED PCB

The LED PCB comes into being with the rapid development of the printed circuit PCB industry. Some LEDs were soldered on PCB to created lighting electronic products.As we all know that LED will generate more heat compared with other electronic parts, which required the PCB to have a better ability for dissipating heat. For these special requirements, metal core PCB are frequently used on LED PCB, especially aluminum core PCB. This is because the aluminum PCB typically includes a thin layer of the...

Metal Core PCB Heat Dissipation Aluminum PCB LED PCB

Maker makes the world a better place - Fight against COVID19

When the COVID19 crisis began in Spain and with the lockdown, the first moves of makers began to emerge with a desire to help. coronavirusmakers.org was born. Many Telegram groups were created to discuss and organize in a natural way. Currently, coronavirusmakers.org is also in other countries (https://world.coronavirusmakers.org/paises) and you can join as well.The working groups are coordinated in Telegram at a geographical level, and can be subdivided into smaller and more effective groups. O...

covid19 face shield 3D printer coronavirusmakers shared projects startup PCBWay PCB Design

What is Thick Copper PCB?

Thick copper PCBs are characterised by structures with copper thicknesses from 105 to 400 μm. These PCBs are used for large (high) current outputs and for optimisation of the thermal management. The thick copper allows large PCB-cross-sections for high current loads and encourages heat dissipation. The most common designs are multilayer or double-sided. With this PCB technology it is also possible to combine fine layout structures on the outer layers and thick copper layers in the inner layers. ...

copper thicknesses elongation performance thick copper PCB

Delivery Service Update due to COVID19 Outbreak

In accordance with the local customs policy of India, all shipping couriers suspend picking up packages sent to India. We will monitor the situation closely and keep you updated with the newest info. Thank you.Note: The shipping method and time for EVERY country must subject to the data in the ordering system. We will update any important news here.(Updated on June 30th)-------------------------------------------------------------------------------------------------------------------------------...

Delivery Service FedEX DHL COVID19

Controlling EMI Radiation with PCB Layered Stack-up

There are many ways to solve EMI problems. Modern EMI suppression methods include: using EMI suppression coatings, selecting appropriate EMI suppression parts, and EMI simulation design. This article starts with the most basic PCB layout, discusses the role and design skills of PCB layered stack-up in controlling EMI radiation.Electricity BusbarReasonably placing a capacitor of appropriate capacity near the power supply pin of the IC can make the output voltage of the IC jump faster. However, th...

Electricity Busbar PCB layout EMI Radiation,Stack-up

Global Collaboration for Combating COVID-19 : Free Masks for PCBWayers!

Love without borders conquers all fear! — Yan, CEO of PCBWayOne World One Fight!These days, COVID19 ravages all of the world, and every country has suffered heavy losses. We must know to win this inevitable battle every one of us should stand together and hold hands tightly. Love will conquer all fears!After more than a month, with the efforts of people across the country, the development of the epidemic ...

COVID-19 Mask Giveaway Ordinary Disposable Masks StandWithPCBWayers Free Masks Combating COVID-19

How to Ensure PCB Design Signal Integrity?

Signal integrity (SI) refers to the quality of the signal on the signal line, that is, the ability of the signal to respond with the correct timing and voltage in the circuit. If the signal in the circuit can reach the receiver with the required timing, duration and voltage amplitude, then it can be determined that the circuit has better signal integrity. Conversely, when the signal does not respond properly, a signal integrity problem occurs.With the use of high-speed devices and more and more ...

Crosstalk, Stack-up Signal Integrity

LM317 Current Boosting Secrets

By Hesam Moshiri, Anson BaoLM317 is one of the most popular adjustable regulator chips. The output voltage of the regulator can be adjusted from 1.25V to 35V. However, the chip can deliver currents up to 1.5A which is not enough for some power applications. In this article, I will discuss two methods of LM317 current boosting, using power PNP and NPN pass transistors.[A] Circuit AnalysisAccording to the LM317 datasheet: “The LM317 [1, 2] device is an adjustable three-terminal positive-voltage re...

LM317 Current Boosting Secrets

Common IPC standards for PCB

1) IPC-ESD-2020The joint standard for the development of electrostatic discharge control programs. Includes the design, establishment, implementation, and maintenance necessary for electrostatic discharge control procedures. Provide guidance for handling and protection during electrostatic discharge sensitive periods based on the historical experience of certain military and commercial organizations.2) IPC-SA-61ASemi-aqueous cleaning manual after welding. Including all aspects of semi-aqueous cl...

Surface Mount Technology Welding Technology IPC Standards

Characteristics and Maintenance of Common Circuit board and Component Failures

1. The fault characteristics and maintenance of industrial control circuit board capacitor damageThe failure caused by capacitor damage is the highest in electronic equipment, especially the damage of the electrolytic capacitor is the most common.Capacitor damage manifests itself as: 1. capacity becomes smaller; 2. complete loss of capacity; 3. leakage; 4. short circuit.Capacitors play different roles in the circuit, and the faults they cause also have their own characteristics. In industrial co...

Impedance Matching in High-Speed PCB Design

Impedance matchingImpedance matching means that when energy is transmitted, the load impedance must be equal to the characteristic impedance of the transmission line. At this time, there is no reflection in the transmission, which indicates that all energy is absorbed by the load. On the contrary, there is energy loss in transmission. In high-speed PCB design, the matching of impedance is related to the quality of the signal.When do PCB traces need to be impedance matched?It does not mainly look...

Parallel terminal matching Series termination matching Impedance matching

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