You're completely right. An easy way to add a fan is to simply connect the fan leads to a 3.

Feel free to print, embed, share or hotlink this image and don't forget to credit us! Dispose or SpiDevice. Of course, the CPU cannot be cooled to 10 degrees Celsius.

The example below initializes I2C1 and writes data to an I2C device with address 0x Featured on Meta.