The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind people, detailing how the Arduino Nano, Ultrasonic sensors, Buzzer, and Led ...

The circuit diagram of the automation device using a motion sensor is shown in Fig. 2. It consists of an Arduino Nano board (MOD1), a PIR sensor (S1), a 230V AC to 9V secondary transformer (U1), a ...

This combination of sensors is expensive and computationally intensive to operate. ADAR, the foundation for the Sonair 3D ultrasonic sensor, is the first sensor technology to use ultrasound in the ...

What also sets the RP2040 apart are its two built-in features: a real-time clock (RTC) that provides accurate date and time, and a voltage-dependant temperature sensor. The Arduino Nano and ...

It features over 5,400 projects, ranging from simple tutorials — like using a soil moisture sensor ... can build circuits from scratch using three popular Arduino boards — Uno, Nano, and ...

If you are searching for a quick yet fantastic little project to keep you busy you might be interested in this fantastic Arduino Nano ESP32 based color handheld console created by the Volos ...

We are using the Arduino Uno board in this project but you can also use Arduino Nano or a Node MCU. HC-SR04 board is an ultrasonic sensor which is used to ... The buzzer is connected to the Pin4 of ...