Connections & pinouts. Arduino UNO SIM800L Notes (3.8v)~(4.4v)! Vcc: Power supply input, Use circuit diagram shown below: 10 RX_PIN: TX: If you are using SoftwareSerial: 11 TX_PIN: RX: ... An Arduino ...

This circuit diagram illustrates a fire and smoke detection system using an Arduino UNO R4 WiFi, MQ2 smoke sensor, and a flame sensor (fire sensor). The Arduino is the central controller that receives ...

People with visual disabilities, who have limited vision, will experience many obstacles in carrying out activities and social interaction. Equipment, in general, is not still user friendly for blind ...

Description from the original documentation: This is the RadioHead Packet Radio library for embedded microprocessors. It provides a complete object-oriented library for sending and receiving ...

The projects are built using the popular development platforms like Arduino, Raspberry Pi, ESP8266, STM32, MSP430, PIC amongst others. All projects are documented with a neat circuit diagram, code and ...