What to do With a Flash-less ESP32-C3 Super Mini Board?
https://hackaday.com/2026/01/18/what-to-do-with-a-flash-less-esp32-c3-super-mini-board/

In an update video by [Hacker University] to an earlier video on ESP32-C3 Super Mini development boards that feature a Flash-less version of this MCU, the question of adding your …read more (https://hackaday.com/2026/01/18/what-to-do-with-a-flash-less-esp32-c3-super-mini-board/)

Making a mountain bike data acquisition system
https://hackaday.com/2026/01/18/making-a-mountain-bike-data-acquisition-system/

Professional mountain bike racing is a rather bizarre sport. At the highest level, times between podiums will be less than a second, and countless hours of training and engineering go …read more (https://hackaday.com/2026/01/18/making-a-mountain-bike-data-acquisition-system/)

Accurately Aiming Audio with an Ultrasonic Array
https://hackaday.com/2026/01/18/accurately-aiming-audio-with-an-ultrasonic-array/

When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described it as potentially useful in getting someone’s attention from across …read more (https://hackaday.com/2026/01/18/accurately-aiming-audio-with-an-ultrasonic-array/)