Aqara Presence Multi-Sensor FP300 Now Available

u2028The Aqara Presence Multi-Sensor FP300 is now available worldwide via Aqara’s website, official retailers, and Amazon ...
IEEE

Use of a Cz Common-Mode Capacitor in 2-wire and 3-wire Off-line Power Supplies

Abstract: In a two-wire (no chassis ground) input off-line power supply system, a capacitor is often connected between the primary and the secondary side of the transformer for common-mode EMI ...
LRN2DIY on MSN

How to Install a Smart Wifi 3-Way Light Switch

Learn how to install 3-Way Smart Wifi light switches with this step-by-step video. Consult a certified electrician if you ...

Aqara’s cord-free presence sensor runs for up to three years on battery power

The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation.
Tickle The Wire

Two FBI Agents Named Executive Assistant Directors of FBI Branches

FBI Director Christopher Wray appointed two agents to serve as executive assistant directors of separate branches. Robert Brown was named executive assistant director of the Science and Technology ...