Description
The I2c Connector Module Board use PCF8574 I2C chip that helps to converts I2C serial data to parallel data for the LCD display. It is compatible with 16×2 or 20×4 Character Display Module that supports 4 bit mode. It can have 8 modules on a singles i2c bus as well as the backlight can be controlled by the jumper and display contrast is adjustable by the potentiometer on the board.
| Chip Set | PCF8574AT |
| I2C Address | 0x27 |
| Pin Definition | VCC、GND、SDA、SCL |
| Supply Voltage | 5V |
| Contrast Adjust | Through Potentiometer |
| Interface | I2C |
| Header | Pre-Soldered Male Connectors |
| Size | 27.7mm×42.6mm |
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