Bus Pirate v4 LCD adapter hardware design
Control HD44780, or compatible LCD with this add-on board for the Bus Pirate v4. This breakout board lets you drive, and test HD44780, and compatible LCD with your Bus Pirate v4. Very low part count, and ease of use are some of the features of this board:
Completely passive, no active parts Both 3.3v, and 5v LCDs supported Contrast adjustment via a trimmer Brightness adjustment via a trimmer Both orientations of the brightness pins are supported
You can get a , including worldwide shipping.
Read about the design below.
Since the new version 4 of the Bus Pirate we now have enough pins to drive HD44780, and compatible LCD directly. This board is makes connection the Bus Pirate to LCDs even simpler. It has contrast, and brightness adjustment via trimmers, and supports both 3.3v, and 5v LCDs, also supported are both orientation of the brightness LEDs.
Power supply selection
A simple jumper (VCC) is used to select between 3.3v(top position) and 5v(bottom position) power supply to the LCD.
Brightness pin orientation
Pins 15 and 16 are connected to the brightens LED. through a parallel set of jumpers (P16,P15) you can change the orientation of the power(top position) and GND(bottom position) lines feeding the LED.
Brightness and contrast adjustment
Included on the board is the standard 16pin header for HD44780, and compatible LCDs.
Bus Pirate v4 IO header
For simpele conectivity, the same 12pin IO header as featured on the Bus Pirate v4 is located on the board. All it takes to connect the two boards is a 12pin flat cable.
- PCB and placement notes
- soldering advise
Click for a full size placement image.
You can [get one for $00], including worldwide shipping.
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