Welcome to the user manual for your newly obtained Arduino Mega 2560 Pin Diagram. This comprehensive guide is intended to help you become an expert user of your product by providing a detailed ...

The Circuit diagram of smart whistle counter is shown in figure-1, It is based on Arduino Mega ... on the SCL and SDA pins of the Arduino bord. Active alarm buzzer module is used in this project works ...

The pin diagram on this page: https://github.com/esp8266/Arduino/blob/master/doc/reference.md shows the SCL and SDA pins swapped compared to the info in the "I2C ...