The size and price of the ESP wifi modules have quickly made them into one of the preferred building blocks for IoT devices. Unfortunately they are not particularly well suited for very low power ...

Figure 1 shows a way to control a light (or other 120-V ac appliance) with a passive-infrared (PIR) alarm sensor. The original concept was to turn a closet or shop light on whenever someone went into.

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 ...

This project demonstrates a simple motion detection alarm system using a PIR sensor, an LED, and a buzzer. When motion is detected, the LED and buzzer are activated for 2 seconds to indicate movement.

The Smart Street Light is an IoT-based project that controls street lights with sensors such as Light Dependent Resistor (LDR) and Passive Infrared (PIR) sensors. The system can monitor light ...

30W Floodlight with Samsung LEDs – High-quality, efficient lighting PIR Sensor – Detects motion within a 3 to 10-meter radius Manual Override Function – Switch between sensor mode and constant ...