For blue-glow lovers, this is a graphical VFD with 128x64 bit resolution and a stunning high-brightness/high-contrast look. This module would be a great addition to any project where readability is a must - you can read it in daylight, and at any angle.The VFD module supports both 8-bit parallel and SPI modes of communication. The SPI protocol allows to write and read pixels so no RAM is required to buffer the display (most 128x64 SPI displays require a full 1K RAM buffer since you cannot read from the display memory). The module requires 5V, and does draw quite a bit of...