A custom mobile app developed using MIT App Inventor allows users to control the system wirelessly. Arduino Uno – Main microcontroller. PIR Motion Sensor – Detects motion for door automation. Servo ...

Using an Arduino Nano, ultrasonic sensor, and buzzer, it can sense objects in their way and provide an instant audible alert to them. So they can navigate independently. The best part of this blind ...

SparkFun’s “Air Quality PM1/PM2.5/PM10 Sensor – BMV080 (Qwiic)” is breakout board for the Bosch Sensortec BVM080 particulate matter sensor which the German company claims is the world’s smallest and ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level ...

Use the ESP32 as a software motion detector for whole house based on multipath interference in RSSI. Will detect human intruders when they cross the path between the ESP32 and other access points or ...