Here's another super handy add-on for Raspberry Pi setups! PiUART adds a MicroUSB to serial connection so you can use any serial terminal software to connect to your Pi's console. It plugs in when you need to connect to your Pi and is quick and easy to attach. Two LEDs are connected to the RX and TX on the serial converter chip, so you can see them flashing when data is being sent or received.
We have some room left, so PiUART also comes with a power on-off switch with a 4 Amp transistor. You can power your Pi from the micro USB port and use the switch when you want to cut off the power without having to unplug the cable. Low-power Pis, such as Pi Zero and A+, can be powered and controlled from a single cable connected to your computer. Powerful Pis like Pi 2 and Pi 3 can draw a lot of power from the computer's USB port, so check if your motherboard has a high-current USB port before trying it out.
It comes fully assembled and ready to use, plug it into your Pi and install the driver on Mac OS X – you'll be ready to go in 2 minutes.
It works with any Raspberry Pi computer (Pi 1, 2, 3, Zero, etc.)