This is the mini version of the USB LCD backpack . It has only the IO pins required for the most common HD44780 LCD pinouts. Join the development discussion in the forum. Driver development is under way for LCDsmartie. We’ll be adding support to LCDproc too.
Tag Archives: hd44780
FT232 LCD backpack update
Two alternative FT232 LCD backpack PCBs are in the forum. The first one (pictured above) supports standard H44780 LCDs, and graphic LCDs with some creative wiring. The mini version drops the extra IOs for graphics LCDs to get the smallest possible board. If you’ve got some time this holiday weekend, check out the development thread […]
Week in (p)review: August 1, 2010
Here’s some highlights from the past two weeks, in case you missed them: Bus Pirate firmware v5.4 IR Toy firmware v1.05 with a new sampling mode was released. We also identified the cause of the stuck IR Toy bootloader Dukey added IR Toy support to WinLIRC LCD adapter v2 for the Bus Pirate was tested, […]
Preview: Bus Pirate LCD adapter v2
This is a new LCD adapter for the Bus Pirate. The board has been tested, Seeed is building a manufacturing prototype now. The Bus Pirate LCD library in firmware v5.4+ will require this LCD adapter instead of the old v1 adapter. The v1 LCD adapter was based on a PCF8574 I2C IO expander IC. It […]
Bus Pirate IC test PCB
A discussion in the forum led to the creation of a new chip demonstration/test PCB for the Bus Pirate. This board has spaces for several commonly-sampled I2C and 1-Wire devices, and an HD44780 LCD tester: I2C 24LC EEPROM (PTH and SMD) TC74 temperature sensor (PTH) DS1085(L)/DS1077(L) frequency generator (SMD) PCF8563/DS1307 real-time clock (PTH) MCP3021 analog […]
Bus Pirate: HD44780 character LCD adapter
Cheap character LCDs based on the HD44780 chipset come in a variety of sizes: 2×16, 4×20, etc. These displays have two standard interface modes, 4bit and 8bit parallel. 8bit requires a total of 11 data lines, 4bit requires 7 (6 for write-only). Some LCDs support an additional serial data mode, like the VFD Ian covered […]