This article details a DIY atomic force microscope built from mostly junk parts. It utilizes a laser-based deflection reading system instead of traditional piezo motors, achieving 35-um resolution with readily available materials. The project focuses on simplicity and cost-effectiveness, making it suitable for educational purposes.
This article details a DIY presence sensor project inspired by the Everything Presence Lite kit, utilizing a millimeter wave sensor and a BME680 environmental sensor for accurate motion and heart rate detection.
