Introduction The keypad is used as an input device to read the key pressed by the user and to process it. 4x4 keypad consists of 4 rows...

Overview of NTC Thermistor A thermistor is a variable resistance element, whose resistance changes with the change in temperature. The...

Introduction HMC5883L Magnetometer Module Magnetometer HMC5883L is used for measuring the direction and magnitude of the Earth’s magnetic...

Stepper Motor The Stepper motor is a brushless DC motor that divides the full rotation angle of 360° into a number of equal steps. The...

Servo Motor A servo motor is an electric device used for precise control of angular rotation. It is used where precise control is...

Small DC Motor DC motor converts electrical energy in the form of Direct Current into mechanical energy. In the case of the motor, the...

Introduction Ultrasonic Module HC-SR04 works on the principle of SONAR and RADAR system. The HC-SR04 module has an ultrasonic...

Overview of PIR Motion Sensor PIR sensor detects infrared heat radiations. It can be used to detect the presence of living objects that...

Overview of DHT11 DHT11 is a single wire digital humidity and temperature sensor, which provides humidity and temperature values...

Ultrasonic Sensor HC-SR04 Ultrasonic HC-SR04 Module Ultrasonic Module HC-SR04 works on the principle of SONAR and RADAR system. The...

Introduction Global Positioning System (GPS) makes use of signals sent by satellites in space and ground stations on Earth to accurately...

Introduction The keypad is used as an input device to read the key pressed by the user and to process it. 4x4 keypad consists of 4 rows...

Overview of GLCD 128x64 GLCD is a display device that can be used in embedded systems for displaying data and/or images/custom...

Overview of Nokia5110 Nokia5110 is a graphical display that can display text, images, and various patterns. It has a resolution of 48x84...

Introduction LCDs (Liquid Crystal Displays) are used for displaying status or parameters in embedded systems. LCD 16x2 is a 16 pin device...

Introduction LCDs (Liquid Crystal Displays) are used for displaying status or parameters in embedded systems. LCD 16x2 is a 16 pin device...

Introduction LCDs (Liquid Crystal Displays) are used for displaying status or parameters in embedded systems. LCD 16x2 is a 16 pin...

Introduction DTMF (Dual Tone Multi-Frequency) is a telecommunication signaling technique that uses a mixture of two pure tones (pure sine...

Introduction to MQTT SIM900 SIM900 enables GPRS for embedded applications. We can implement MQTT (Message Queue Telemetry Transport)...

Introduction to HTTP SIM900 enables GPRS for Embedded applications. We can implement HTTP Client protocol using the SIM900 HTTP function...