By following - and constantly checking against - a set of procedures, it is possible to avoid just about all of the common mistakes and omissions that can significantly delay or even stop a schematic being successfully converted to a PCB and then that PCB being successfully updated from the schematic as a design progresses.
It can also significantly reduce the likelihood of a PCB...
Two ways to make a hole in a PCB with a defined clearance around it away from other PCB traces.
For example, a clearance hole for a mounting screw and a copper clearance for the screw head, nut or washer.
**Open in Editor to see how this is done.**
One way to do this is to create a pad on **All Layers** with a hole of the required screw clearance diameter and a pad of the required screw h...
If you want to change the colours in a schematic and/or have changed the colours in a schematic and want to revert to your original set of colours, please see:
These are some notes to help you create successful PCB projects and also have fun on the way.
Please note that it is strongly advised that you don’t start off by trying to create an actual project.
Start by reading this and the linked documents.
Then create a dummy project, the sole purpose of which is to play with the tools and learn how to use them. Learning through play is a powerful techni...
### How to edit any existing PCB Lib (a.k.a. footprint or package) from the EasyEDA library.
1) To edit an existing PCB Lib (footprint/package) first, find it using the **SHIFT+F** search then left-click on the desired PCB footprint in the list that appears to select it and to check the preview.
2) Next, right-click on it and click on **Clone** (or click on **More > Clone**).
This post describes a Design Procedure to help take an idea for an electronics project through to PCB.
## Capture the design requirements
Once an initial idea has been formed, the first stage of any electronics project is to define what the circuit to be designed is required to do.
This is referred to as a **Design Requirements Specification**.
Without a Design Requi...
**A simple mistake can make a batch of PCBs useless so before submitting an order for PCBs, there are a lot of things to check.**
The list below is a good starting point for the essentials but it by no means exhaustive!
1) Check that all nets and netnames are as intended. For example nets can be accidentally connected together while drawing and editing a schematic and also by ina...
4 wire sensing is a technique used to connect the sense wires of, for example, a low resistance Ohmmeter or the remote sensing pins of a power supply in such a way that the voltage drops due to the current in the wires connecting a load to a power supply are removed from the measurement of the voltage drop across the load itself by allowing that voltage drop to be measured directly across the load...
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