“Any blurred vision?” he asked. “If I hold this grid up and you focus on the dot at the centre with your right eye, left eye closed, are all those lines quite straight?” On completion of ...

[Xose Pérez] periodically “stroll the isles” of Tindie to keep up on cool new components, and when he saw Panasonic’s Grid_EYE AMG88 infrared sensor, [Xose] knew that he had to build ...