The winners of the H2S-Dev Board Creative Idea Contest!
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Maker Contest Results

We are thrilled to announce the successful conclusion of the H2S-Dev Board Creative Idea Contest. Now, let’s celebrate the extraordinary innovation, enthusiasm, and participation this contest has seen, and share some exciting updates: a thank you to our first-time contest sponsor, HobbyIoT, and the long-awaited announcement of the winners of this contest!

A Huge Thank You to Our First-Time Contest Sponsor: HobbyIoT

The H2S-Dev Board Creative Idea Contest is the first collaboration between the Elecrow project community and other makers. From the very start, HobbyIoT’s support was instrumental in turning this idea into a reality—and we couldn’t be more grateful for their partnership!!! :)

And now... Announcement of the winners!

Every project submitted showcased unique talent and passion. After careful deliberation, we are thrilled to announce the winners of the H2S-Dev Board Creative Idea Contest.

What is H2S-Dev Board? :

The H2S-Dev board is a ready-to-use, Open source hardware, Arduino compatible, LoRaWAN/Helium network sensor development platform.

The H2S-Dev board comes with ESP32 microcontroller module and LoRaWAN radio transceiver and offers a variety of interfaces to connect to different combinations (e.g. any part from Elecrow). Use LoRaWAN, WiFi, Bluetooth connectivity options, combined with sensors, displays or other stuff alongside with flexible power options! A prototyping area is available onboard to easily solder selected peripherals!

More information:
https://github.com/hobbyiot/HELIUM-SENSORS/tree/main/H2S-Dev%20V1.2

For creative ideas for the H2S-Dev Board, we selected the following projects as winners:

❤ Special Prize Winner (H2S-Dev Boards*2)

Project: H2S-Dev + MicroBlocks Magic = STEM 4 All

Author: Kathy Giori

❤ First Prize Winner (H2S-Dev board*1 + CrowPanel Advance 7" *1)

Project: Smart Rivers: Mapping Water Quality with a Portable Device

Author: Lucas Soares

❤ Second Prize Winner (H2S-Dev board*1 + CrowPanel 7" *1)

Project: Portable LoRa and WiFi-based patient monitor

Author: Miroslaw Szymczyk

❤ Third Prize Winner (H2S-Dev board*1)

Project: Parcel Guardian

Author: Om Sahu

Gratitude

To all contestants: Thank you for sharing your creativity! Even if you didn’t take home a prize, your ideas inspired us all and showcased the endless potential of the H2S-Dev Board.

To HobbyIoT: Your expertise and support made this contest a success! Thanks again!

Please stay tuned to our community for updates on future contests. Preview: In half a month, there will be a contest on "Mechanics and Automation". We look forward to your participation :)

The Elecrow community thrives because of innovators like you—keep building, keep creating! Happy Building!

How to claim your reward?

We are contacting the above winners one by one. Please wait patiently for our contact.

And please check your email box and submit your information on time. Please submit it before September 22, 2025 (If it times out, you will not be able to receive it).

If you have any questions, please contact doreen@elecrow.com.