How to get 1 or 2 meter NFC Communication ??
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I have wristband(like smart watch) and another stationary device ,when the wristband reaches within 1 meter of the stationary device,stationary device want to show some indication for that i can use NFC communication? if yes how to get 1 meter NFC communication??
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@mubassir-mk Why do you wanna use NFC. Does your wrist band have BLE? If yes, you can easily make this application with BLE.
Please watch this video
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Hi @mubassir-mk, The NFC tag and reader can work only in Shorter working distance up to 10cm only. but Instead of that like @kowshik1729 suggested, you can try the BLE beacons since the BLE is active you need to power the device, but you can buy readymade beacons which can work with iBeacon or Eddystone protocols and it can work years using single coin cell battery.
Do you have any other particular reason to use the NFC?
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@kowshik1729 Thank you....
Very help full your replay ...
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@mubassir-mk Glad that it helped.
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In this second edition of MakerCuriosity Podcast Series by MakerGram, we are discussing programming Microcontrollers using Python.
The discussion includes how exactly an interpreted language works on a Microcontroller?! Besides that, we have covered the pros and cons and when it is preferred to use Python on Microcontrollers when 95% of existing embedded code is written using either C or C++. Listen now and let us know your feedback and opinion!
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Hi all,
I recently came across this post where they have shown photos printed on PCB in high resolution. I would like to know how to add this kind of photos to the silkscreen layers of the PCB in Eagle/Altium.
Adding such kind of photos will be attractive for beginners and also can be used for educational purposes too.
Please let me know in case anybody knows. -
@kowshik1729 said in Error downloading package:
The license of the https://dl.espressif.com/dl/package_esp32_index.json might be expired(If this is the reason you can't do anything but just wait until they re-activate the license)
If the page liecenceIt's good.
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@abdultechguy999 usually https://dl.espressif.com/dl/package_esp32_index.json this works while installing through boards manager. But I faced the same issue some times. it might be due to a couple of reasons.
Bad Internet connectivity
The license of the https://dl.espressif.com/dl/package_esp32_index.json might be expired(If this is the reason you can't do anything but just wait until they re-activate the license)
I remember there is a way to install the board files offline by downloading from some github repos.
All the best.
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Ok, then you need to check the LM2596 output current and voltage!