Product description
I2C/SPI LCD backpack is a versatile serial interface that allows you to connect a standard LCD with a parallel interface and HD44780 controller to a microcontroller using SPI or I2C. It can be powered from 3.3 V, and with the help of the built-in step-up regulator the module can drive LCD displays requiring a 5 V drive voltage.
Specifications:
- Supply voltage: 3.3–5 VDC
- LCD supply voltage: 5 V
- Logic voltage: 3.3 V or 5 V
- Step-up regulator: 3.3 V to 5 V
- I2C with QWIIC connector: 2 pcs
- SPI: Enabled via solder jumper
- Model: I2C / SPI character LCD backpack (#292)
- Serial expander: MCP23008
- Support for LCDs with HD44780 controller
- Compatible with 2x16 and 4x20 character displays
- I2C addresses: 0x20 to 0x27, configurable via solder jumpers
- Adjustable contrast: Yes, via potentiometer
