elektor sand clock for raspberry pi pico variant-46906970145100-has-digital-downloads Phase Detection Autofocus (PDAF) for

Phase Detection Autofocus (PDAF) for rapid autofocus

User Guide (IT)

Dimensions 177 x 44 x 97 mm (W x H x D) Weight 435 g Case Material Powder-coating Aluminum (2 mm thick front panel

All chapters conclude with a summary

and G-code files

elektor sand clock for raspberry pi pico variant-46906970145100-has-digital-downloads Phase Detection Autofocus (PDAF) forRaspberry Pi based Eye Catcher A standard sand clock just shows how time passes. In contrast, this Raspberry Pi Pico controlled sand clock shows the exact time by engraving the four digits for hour and minute into the layer of sand. After an adjustable time the sand is flattened out by two vibration motors and everything begins all over again. At the heart of the sand clock are two servo motors driving a writing pen through a pantograph mechanism. A