
DigiKey & Würth Elektronik Proteus-IV Eval Board Design Contest 2026
Open theme hardware contest around the Proteus-IV Bluetooth LE 6.0 module. The top 50 ideas get a free board and the winner picks a prize up to $2,500. Ideas are due 30 October 2026.
The DigiKey & Würth Elektronik Proteus-IV Eval Board Design Contest is an online design contest hosted by All About Circuits. Entrants design a project around the Würth Elektronik Proteus-IV, a Bluetooth LE 6.0 module based on the Nordic Semiconductor nRF54L15.
The contest has two stages. In the idea stage, the top 50 ideas each receive a free Proteus-IV evaluation board. In the project stage, first place wins a prize of the winner's choice worth up to $2,500, second place up to $1,500 and third place up to $500. The prize is a product or a gift card from a retailer the winner picks.
There is no fixed theme. The page suggests wearables, smart home products, industrial monitoring and sensor nodes. Bonus points are awarded for using more Würth Elektronik products in a submission.
To enter, create an All About Circuits account, fill out the form on the contest page and agree to the terms and conditions.
Idea submissions run from 1 September to 30 October 2026. Finalist submissions run from 1 November to 31 December 2026, and the winner is announced on 15 January 2027.
Quick answers
Is there a set theme?
No. There is no fixed theme. Wearables, smart home products, industrial monitoring and sensor nodes are given as examples.
Is the top prize paid in cash?
The winner chooses a product or gift card from a retailer of their choice, worth up to $2,500.