Recently [Glen Akins] reported on Bluesky that the Zigbee-based sensor he had made for his garden’s rear gate was still going strong after a Summer and Winter on the original 2450 lithium coin cell.

The Elon Musk-led EV maker has given up entirely on LIDAR or radar sensors, which its many competitors ... be fooled by anything from heavy fog to a wall-scale painting of the road ahead, as ...