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Standard LCD 16x2 + extras [white on blue]
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Standard HD44780 LCDs are useful for creating standalone projects. 16 characters wide, 2 rows White text on blue background Connection port is 0.1" pitch...
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Standard HD44780 LCDs are useful for creating standalone projects.
- 16 characters wide, 2 rows
- White text on blue background
- Connection port is 0.1" pitch, single row for easy breadboarding and wiring
- Pins are documented on the back of the LCD to assist in wiring it up
- Single LED backlight included can be dimmed easily with a resistor or PWM and uses much less power than LCD with EL (electroluminescent) backlights
- Can be fully controlled with only 6 digital lines! (Any analog/digital pins can be used)
- Built in character set supports English/Japanese text, see the HD44780 datasheet for the full character set
- Up to 8 extra characters can be created for custom glyphs or 'foreign' language support
- Comes with necessary contrast potentiometer and strip of header
For more information, check out our detailed step-by-step tutorial for both Arduino & CircuitPython
We have a datasheet that has pin-locations and more plus a HD44780 datasheet with the detailed commands for control
Jargon buster
Plain-language definitions for the technical terms used above.
- LCD
- LCD stands for liquid crystal display, a screen technology that uses a backlight and liquid crystals to show images or text. It matters because LCD modules usually need a display driver and enough controller pins or a bus interface to send image data.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
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