Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that… ...

A new self-powered water sensor uses wave energy to monitor pollutants like heavy metals, microplastics, and pesticides—no ...

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 coi… ...

New wireless DXS-80 carbon monoxide detector integrates with Linear's wireless receivers and PERS, ... (CO) detector that is UL listed and fully battery operated with a built-in RF transmitter.