When you are going to use I2C modules for your Arduino Projects, sometimes the manufacturer didn't give the address of I2C device inside the chip. It can be a serious problem if the address is unknown or you write the wrong address. This method is use

The thing I'm wondering, is the controller using the same I2C address as the nunchuck? or some other device address, and is there a way to send a 'Who's Out There?" request from the arduino? I can't seem to find an answer for this, an

I2C devices allow you to add numerous sensors and displays to your Arduino project using only 2 communication wires. The issue can be that since I2C is an Addressable Communication Protocol that you need to know the addresses of the I2C devices. This scan