Specifications :
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Display Format: 16 characters x 2 lines
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Character Size: 5 x 8 dots
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Display Color: Green
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Backlight: LED backlight (controllable via I2C)
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Display Type: STN (Super Twisted Nematic) character LCD
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Controller IC: HD44780 or compatible
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Operating Voltage (LCD only): 5V DC
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Working Temperature: 0°C to 50°C
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Storage Temperature: -10°C to 60°C
I2C Module (Interface Board)
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I2C Address: Default
0x27
or 0x3F
(configurable by solder jumpers on some boards)
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Supply Voltage: 5V DC (powered through VCC pin)
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Current Consumption: ~20mA (with backlight on)
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Interface Pins:
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GND
– Ground
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VCC
– +5V Power
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SDA
– Serial Data Line
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SCL
– Serial Clock Line
Dimensions
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LCD Size: ~80mm x 36mm
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Viewing Area: ~64.5mm x 16mm
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Mounting Holes: 4 x (typically M2.5)
Features
- Reduces the number of I/O pins used (only 2 for SDA & SCL)
- Simple connection using I2C protocol
- Contrast adjustment via onboard potentiometer
- Backlight control via software (optional transistor/LED control)
- Compatible with Arduino libraries
Typical Use Cases
- Arduino projects
- Raspberry Pi GPIO displays
- Sensor data displays
- DIY clocks or meters