The microcontroller-based concept was chosen because I wanted to scale the sensor system later to suit other applications. Here is the diagram of my Arduino infrared close proximity sensor. As you can ...

Functions are defined at lines 9–13, including one to send sensor data to the Blynk app and another to control a servo motor based ... MFRC522 with an Arduino Uno, specific pins are connected for ...

An Arduino Giga R1 WiFi board, a potent microcontroller board with integrated WiFi and Bluetooth connection ... and the right motor to pins 6 and 9. It's also possible to attach any sensors or other ...

SunFounder Zeus Car Kit is an Arduino UNO and ... assembly of the ultrasonic sensor using a metal plate and rivets. Next, we can install the ESP32-Cam board through the adapter using one more metal ...

Makeblock Ultimate 2.0 is an educational robot kit that can be used to easily create up to 10 different types of robots. An Arduino-compatible Mega 2560 MCU board serves as the main controller and ...

Enables autonomous driving of a 2 or 4 wheel car with an Arduino. To avoid obstacles a HC-SR04 Ultrasonic sensor ... must flip the motor to L298 connections. 2 wheel car from LAVFIN with battery case ...

Here is a simple and inexpensive Arduino based motion sensor alarm with voice alert. It can be used for security purposes. Typically, for outdoor monitoring, motion sensor alarm consists of a PIR ...

In this study, a new optical sensor system was developed to directly detect the spray droplets without the need to add any tracer in the spray liquid. The system was prototyped using a single ...