Figure 2. Sensor ultrasonic HC-SR04. Description of the product 2 (Figure 3) COVID-19’s Social Distancing Alarm Device (A Device That Assists Us in Maintaining Social Distancing/Social Distancing ...

Arduino HomeSec System integrates sensors for intruder detection, distance measurement, sound monitoring, and vibration sensing. It sends SMS alerts via SIM900A GSM module, enhancing home security ...

The light comes from a whopping 10-watt, 12-volt power LED. This bird’s brain is an Arduino Nano, which is protected from the 12V supply with a boost converter.

A flame detector is a sensor that checks for the environment and detects the presence of flame, just like a smoke detector detects smoke. Once it does its work, the flame can be notified with the help ...

Add an alarm to your touring caravan and you’ll benefit from peace of mind – plus a possible drop in the price of your annual insurance premium. More importantly, though, you’re adding extra ...

Pinout diagram The board is somewhat similar to the company’s Bee S3 board which comes without a PIR motion sensor and fewer I/Os. The Bee Motion S3 can be programmed with Arduino, CircuitPython, and ...

PIR Sensor. PIC16F877A IC 40 - Pin IC holder Perf board 20 MHz Crystal OSC Female and Male Bergstick pins 33pf Capacitor - 2Nos, 100uf and 10uf cap. 680 ohm, 10K and 560ohm Resistor LED of any color 1 ...

Code for arduino that makes fade in/out effect after receiving signal from switch, PIR sensor, etc. Default pinout: Pin 9 - main output. That's where you connect your LEDs. Of course you can change ...

Time-of-flight (ToF) sensors open up new application areas and use cases for proximity sensing and presence detection technologies, and these sensors can add valuable functionalities ...

Motion sensor alarms are readily available in the market, but these are expensive. Here is a simple and inexpensive Arduino based motion sensor alarm with voice alert. It can be used for security ...