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.
Adafruit has announced the availability of its new Adafruit ItsyBitsy nRF52840 Express Bluetooth LE board, making it available to purchase priced at $17.95. Smaller than a Feather but larger than a ...