Smart Car Parking System using Arduino, ESP8266 NodeMCU and Blynk server.
A smart car parking system helps in solving a common challenge of finding parking space in areas with a lot of traffic like residential…
Electronics topic
Arduino
How to use PCA9685 16-Channel 12-Bit PWM Servo Driver with Arduino.
The PCA9685 16-channel 12-bit PWM servo motor driver is used to control up to 16 servo motors using I2C communication with microcontrollers like Arduino…
Interfacing SSD1306 OLED I2C Display with Arduino
In this tutorial I’ll give a detailed view of the SSD1306 based I2C OLED display and how to interface it with Arduino. What is…
How to use the PIR Motion Sensor with Arduino.
PIR is short for passive infrared which describes how the PIR sensor operates; passive means the device doesn’t emit any energy. Basically, the sensor detects infrared…
How to make a Laser Tripwire Alarm using Arduino.
A laser tripwire is a device triggered by physical movements. It can be used for security in order to detect unwanted intruders in an…
28BYJ-48 Stepper Motor control using ULN2003 driver and Arduino.
Stepper Motors are used in a wide variety of devices ranging from 3D printers and CNC machines to DVD drives, heating ducts and even…
How to Use the Dual Axis Joystick with Arduino.
A dual axis joystick is very important in projects involving control of robots and RC devices using various microcontrollers for example Arduino. The joystick…
How to connect 16×2 I2C LCD display with Arduino.
One of the challenges of using LCD displays is that they need many I/O pins of the microcontroller which limits it’s functionality. Normally the…
How to Use a Rotary Encoder with Arduino.
A rotary encoder is an electro-mechanical device that can convert the angular position of a shaft to either an analog or digital output signals…
How to Use 16X2 LCD Display with Arduino.
In a number of applications there is need to display text or characters, for example in calculators, digital clocks and other devices. This is…