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 wakes up ...

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.

Dealing with battery runtime in smart-home sensors. Developing high-efficiency power supplies with a boost converter and a buck-boost converter. An example of a nanopowered smoke detector system.

The battery powered, NTB No Touch Sensor uses infrared sensors to reliably allow safe egress or to activate a device with a simple hand presentation. These surface mounted, request to exit solutions, ...

The development of applications like security systems and wireless medical monitoring devices depends on several factors to ensure a successful design. However, design complexity and power efficiency ...