Waveshare has recently introduced ESP32-S3-Touch-LCD-3.49, an ESP32-S3-based wide touch display (640×172) development board for HMI and AI voice applications such as handhelds, smart panels, meters, ...

I built a 3D printed, scanning laser confocal microscope so I could collect 3D surface topology and profilometry data! The microscope stage is based on an OpenFlexure "Delta" stage, and the confocal ...