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...
Last week i was too busy with office projects and i did not have any time for my micro controllers..But now i am free from office work so i continued my projects.
I am designing a small circuit to operate a stepper motor and the circuit will detect the rotation/minute to get the RPM and send to PC. So from hyper terminal you will able to see the RPM. I am planning to get the direction it move. Soon i will upload some more description of it.
I am designing a small circuit to operate a stepper motor and the circuit will detect the rotation/minute to get the RPM and send to PC. So from hyper terminal you will able to see the RPM. I am planning to get the direction it move. Soon i will upload some more description of it.
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