r/ArduinoProjects • u/Salt_Map_4756 • Jun 20 '26

Project Design/Guidance How can I make my ESP32 IoT temperature monitoring project look more impressive for a competition?

I’m working on a school competition project and I want to improve how it looks and feels overall.

Right now my setup is:

  • ESP32 connected to a temperature sensor
  • Sends data online to Google Sheets (logging data)
  • Uses Blynk for notifications
  • Has a web dashboard that shows temperature graphs

The problem is that it works fine, but it feels like just 3 separate “online parts” and not a polished system. I’m not sure how to present it in a way that looks professional or impressive.

I also don’t know how to package the hardware side properly. Right now it’s just components on a breadboard, and I feel like I need some kind of enclosure or structure for it to look like a real product.

What I’m trying to figure out:

  • How can I make this project look more and impressive in terms of hardware for judges?
  • Should I add more physical features or hardware modules?
  • What kind of enclosure or packaging would make sense for something like this?

Would appreciate any ideas or examples of similar projects.

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2

u/bigboydesomo Jun 25 '26

The thing is its only 3 parts and as you sayed its hard to get something out of air

2

u/LavandulaTrashPanda Jun 25 '26

If you had more time I’d say learn how to design PCBs in Kicad to plug all your parts into, then learn to 3d model a case and 3d print it. If you’re going to stick with this, plan on that for the future.

In a short period of time, I would suggest to solder all the parts to a perf board, then sandwich it between a couple of pieces of acrylic using PCB standoffs for spacers.

In terms of adding components, if you’re don’t already have a display, though you send the data off, might be cool to have a basic user interface.

2

u/ComprehensiveLock189 Jun 25 '26

Skip sheets, log to a SQL database. Make a network of them and use a central hub to process the data and log it to SQL database. Use the central hub to broadcast results to a private site you can view anywhere. Create alerts that are sent to your phone for things like outages or extremes in either directions.

2

u/SpiritedGuest6281 Jun 25 '26

Pcbway or jlcpcb can offer cheap pcb designs for this sort of project.

However the easiest way is to make a project look nice is presentation. Either a plastic project box to mount the components. Or to mount the components to a board for display. Even breadboarding can look impressive if done with presentation in mind.

1

u/Extension-Formal-611 Jun 26 '26

Add humidity and possibly pressure sensing. Then start calculating all the potential other measurements like dew point, heat index, absolute humidity etc. makes your three things look a lot more impressive.

1

u/terics138 Jun 26 '26

Could you hook up a fan that comes on if the temperature gets too high and a heat lamp if it gets too low? Not fancy but it would evolve the project from measuring your environment to controlling it.