The 16×2 I2C LCD is a 1602 character display with a soldered-on PCF8574 I2C backpack, so it connects to your Arduino using only 2 data wires (SDA/SCL) instead of six. It’s the cleanest way to add a display without running out of pins.
Key Features
- 16×2 character LCD + I2C backpack
- Only 2 signal wires (SDA, SCL)
- Adjustable contrast trimmer on the back
- Uses the popular LiquidCrystal_I2C library
- 5V, address usually 0x27 / 0x3F
Specifications
| Characters | 16 × 2 |
| Interface | I2C (PCF8574) |
| Address | 0x27 or 0x3F |
| Backlight | Blue / white text |
| Voltage | 5V |
Popular Project Ideas
- Pin-saving text display
- IoT dashboards with ESP32/ESP8266
- Menus for multi-sensor projects
- Clocks, meters and counters
Buy it from Arduino Corner — Pakistan’s dedicated Arduino & electronics store in Rawalpindi. Genuine parts, tested before dispatch, COD across Pakistan, and friendly support for your student and university projects.
