DESCRIPTION
Adding a character display to your project or computer has never been easier with the new Adafruit USB or TTL serial backpack! This custom-designed PCB sits on the back of a ‘standard’ character LCD (16×2 or 20×4 sized) and does everything you could want: printing text, automatic scrolling, setting the backlight, adjusting contrast, making custom characters, turning on and off the cursor, etc. It can even handle our RGB backlight LCDs with full 8-bit PWM control of the backlight. That means you can change the background colour to anything you want – red, green, blue, pink, white, purple yellow, teal, salmon or just leave it off for a neutral background.
Inside the backpack is a USB-capable AT90USB162 chip that listens for commands both a mini-B USB port and a TTL serial input wire. The USB interface shows up as a COM/serial port on Windows/Mac/Linux. The backpack will automatically select data from whichever input is being used. For the USB connection, it will work at any baud rate. For the TTL connection, the default baud rate is 9600 but you can send it a command to set the baud rate to 2400, 4800, 9600, 19200, 28800, or 57600 baud. (The baud rate is flashed on the LCD during powerup). Any customizations such as baud rate, backlight colour, brightness, splash screen, etc. are stored permanently EEPROM.
The command interface is compatible with the popular “Matrix Orbital” specifications so this backpack will work perfectly with computer applications or libraries that are expecting a “Matrix” LCD such as USB + Serial RGB Backlight Character LCD Backpack USB or TTL Serial tutorial
Fast Delivery and professional packaging
Due to our long-term partnership in a long-standing partnership with UPS, FedEx, DHL and many other top global carriers we are able to offer various shipping options. Our warehouse staff are highly trained to package your goods exactly according to the specifications we provide. Your items will go through a thorough examination and will be securely packaged before being delivered. Everyday, we send to thousands of clients in multiple countries. This is a testament to our commitment to be the largest online retailer worldwide. These warehouses are located in Europe in the same way as they are in the USA.
Note that orders containing more than one item will be given a processing time according to the specific item.
Prior to shipment before shipping, we'll conduct a thorough inspection of the items you've purchased. Today, the majority of orders will be shipped within 48 hours. Expected delivery times are between 3 and 7 days.
Returns
We do not manage the stock at our factory and warehouse. The actual inventory may be changed at any time. Please be aware that it's possible for your order to be out of stock after you have placed the order.
Our policy lasts for 30 days. We will not exchange or refund your order if it has been 30 days from the date of purchase.
To be considered eligible for return, it must be unopened and in the same condition as when you received it in. The item must be returned in the original packaging.
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