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.
Nordic Semiconductor announced that its latest multiprotocol SoC, the nRF52840, which supports both Bluetooth 5 (Bluetooth low energy) and IEEE 802.15.4 (the foundation of the Thread networking ...