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

Overview of ESP8266 The ESP8266 module is low-cost standalone wireless transceiver that can be used for end-point IoT developments....

Introduction SIM900 enables GPRS to embedded applications. We can implement TCP Client protocol using SIM900 TCP function AT Commands....

Overview of Magnetometer HMC5883L HMC5883L Magnetometer Module Magnetometer HMC5883L is used for measuring the direction and magnitude of...

Overview of Xbee XBee radios are based on IEEE 802.15.4 (technical standard which defines the operation of low-rate wireless personal...

Overview of Bluetooth HC-05 is a Bluetooth device used for wireless communication. It works on serial communication (USART). It is a...

Introduction to I2C I2C (Inter-Integrated Circuit) is a serial bus interface connection protocol. It is also called TWI (two-wire...

Introduction The Serial Peripheral Interface (SPI) is a bus interface connection protocol originally started by Motorola Corp. It uses...

Introduction to Watchdog Watchdog Timer (WDT) can be helpful to automatically reset the system whenever a timeout occurs. A system reset...

Introduction to Analog Comparator ATmega16/ATmega32 based on AVR has two pins for analog voltage compare i.e. AIN0 and AIN1. AIN0 is the...

Introduction EEPROM is Electrically Erasable Programmable Read-Only Memory. It is non-volatile type of memory as it holds the data even...

Introduction to Interrupt AVR ATmega16/ATmega32 has three external hardware interrupts on pins PD2, PD3, and PB2 which are referred to as...

Overview of nRF24L01 NRF24L01 is a wireless transceiver module which operates in the 2.4GHz ISM frequency band. It is used to communicate...

Overview of XBee S2 XBee (ZigBee) radios are based on IEEE 802.15.4 (technical standard which defines the operation of low-rate wireless...

Overview of ESP8266 Wi-Fi Module The ESP8266 wifi module is low cost standalone wireless transceiver that can be used for end-point IoT...

Overview of SIM900A GSM Module Global System for Mobile communication (GSM) is digital cellular system used for mobile devices. It is an...

Overview of SIM900A SIM900 enables GPRS connectivity to embedded applications. We can implement HTTP Client protocol using SIM900 HTTP...

Overview of Sim900A SIM900 enables GPRS connectivity to embedded applications. We can implement TCP Client protocol using SIM900 TCP...

Introduction PIC18F4550 has a power-down mode to reduce power consumption when the microcontroller is idle. Most of the applications like...