Raspberry Pi 5V Logic Level Adapter

Have you ever wanted to interface your Raspberry Pi to something that only uses +5V logic levels? As you quickly came to learn, the GPIO on the Pi are not 5V tolerant, so hooking up the device to your Pi would render the board(s) damaged.  This little interface board takes care of the issue by providing level shifting circuitry for ALL of the GPIO pins to a 5V level, while still allowing you access to the 3.3V logic level signals as well.

With this board, you can work with 3.3V GPIO and 5V GPIO together at the same time, even on the same pins at the same time. This is great for things like the SPI and I2C bus interface.