Here is one simple circuit of a general-purpose white LED security light with Passive Infrared (PIR) Motion sensing mechanism. At the heart of the circuit is a PIR sensor module SB0061. SB0061 is a ...

It’s really hard to overstate how awesome ESP8266 development boards like the Wemos D1 Mini really are. For literally a couple of dollars you can get a decently powerful Wi-Fi enabled microcontroller ...

Jacob Kastrenakes is The Verge’s executive editor. He has covered tech, policy, and online creators for over a decade. Philips Hue has a new accessory that’ll make it even easier to automate the ...

Most people probably have at least one spot in their home that could benefit from some additional lighting. Not trendy geometric fixtures, or classic vintage lamps, but lighting that’s more functional ...

While LEDs are common in voltage detection applications, I have never seen an LED circuit that is dedicated to indicating the presence of low values of current flow. This simple LED current sensor ...