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2025 One Hertz Challenge: Educational Tool Becomes 10 Stopwatches

Summary by Hackaday
Around the globe, some classrooms are using fancy digital handheld devices to let people answer questions. One such example of this hardware is the Smart Response PE. These devices are largely useless outside the classroom, so [Ray Burne] decided to hack one for our 2025 One Hertz Challenge. The Smart Response PE device is similar in shape and size to an old-school candybar cellphone. It runs on a Texas Instruments CC2533 microcontroller, which …
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Hackaday broke the news in on Friday, August 15, 2025.
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