It Started With a Hardware Limitation I have been using Quectel GNSS modules in my designs for a while. They are reliable, well-documented, and the support ecosystem is solid. But the module I had been using had one problem that I kept running into: no external antenna support . For most projects that is a minor inconvenience. For a marine vessel monitoring and control system , it is a non-starter. A vessel hull blocks sky view, antenna placement is critical, and the difference between a clean fix and no fix at all often comes down to whether you can mount the antenna where it actually has line of sight. An integrated antenna in a sealed enclosure below deck simply does not cut it. So I went directly to Quectel. The Conversation With Quectel I reached out through their official sample request channel. I was not expecting much — most component manufacturers have a standard process: fill out a form, wait, get a few uni...
I design my wheel encoders in coreldraw and it takes time to do the design. But recently found a better solution for that. A small software called wheel encoder generator which helps you to design different types of encoders in few seconds. I hope this will be a helpful tip for those who whats to make there own optical wheel encoders.
Link for the software https://code.google.com/p/wheel-encoder-generator/
Link for the software https://code.google.com/p/wheel-encoder-generator/
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