DigiKey & Würth Elektronik Proteus-IV Eval Board Design Contest

Use it. However you want.
No fixed theme. Let your creativity lead the way. Build a wearable, smart-home product, industrial monitoring solution, sensor node, or any innovative concept powered by Bluetooth® LE 6.0. The Proteus-IV evaluation board provides a pre-certified wireless platform and development resources, allowing you to focus on innovation instead of connectivity development.

Features of the Proteus-IV:
• Based on Nordic Semiconductor SoC nRF54L15
• Based on 128 MHz Arm Cortex-M33 processor
• Bluetooth® Low Energy 6.0
• Support all 4 Bluetooth Low Energy radio profiles
• Radio data rate up to 2 Mbps data rate
• Possible interfaces: UART
• Smart antenna configuration (Integrated PCB antenna with option to connect external antenna)
• Small form factor: 12 x 8 x 2.3 mm
• 1536 kB non volatile memory (NVM), 256 kB RAM
• Up to +8 dBm output power
• Up to 29 GPIOs, customized firmware
• 0.6 µA sleep current (system off mode)
• High temperature range -40 °C up to +105 °C
• Wireless Connectivity SDK
• With the WE Bluetooth LE Terminal App we provide you a fast and easy way of testing and also a base for your own app. Download it in the Google PlayStore® or in the Apple AppStore® or as source code on GitHub.
• Same hardware platform available as BYOF module

How To Enter

Use Proteus-IV in your design. There's no specific project focus, so get creative! Bonus points are awarded for incorporating multiple Würth Elektronik products into your submission.

September 1 – October 30, 2026

Idea submissions

November 1 – December 31, 2026

Finalist submissions

January 15, 2027

Winner announced

For more details, please see application notes: ANR008, ANR016, ANR036

Terms and Conditions

Idea Submission Prize

Proteus-IV Evaluation Board

The Proteus-IV evaluation board provides a pre-certified wireless platform and development resources, allowing you to focus on innovation instead of connectivity development.

Project Submission Prizes

1st Place: Prize of Your Choice - Up to $2500!

Choose your own prize! Select a product or gift card from your retailer of choice, up to $2500

2nd Place: Prize of Your Choice - Up to $1500!

Choose your own prize! Select a product or gift card from your retailer of choice, up to $1500

3rd Place: Prize of Your Choice - Up to $500!

Choose your own prize! Select a product or gift card from your retailer of choice, up to $500

Thank You For Your Interest

First Name *

Last Name *

Business Email *

Job Title *

Company Name *

Postal Code *

Country *

Industry *

Phone Number *

Design Idea *

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