Grove - 16x2 LCD - Black on Red
Seeed Studio · 9921

9921Grove 16x2 LCD module with a monochrome backlight variant. Use it as a character display when the project expects a 16x2 LCD form factor; verify the exact backlight color, voltage, and interface before swapping between SKUs.
Pinout
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| GND | 1 | ground | Grove ground | |
| VCC | 2 | power | Grove supply | |
| SDA/DIO | 3 | i2c data | Grove data line | |
| SCL/CLK | 4 | i2c clock | Grove clock line |
Displays
24 other optionsCharacter LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.
RGB backlight positive LCD 16x2 visual previewRGB backlight positive LCD 16x2
Bare 16x2 character LCD with RGB backlight. Good when the design expects direct LCD wiring and controls the RGB backlight pins itself.
$12.95
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual previewSparkFun 16x2 SerLCD - RGB Backlight (Qwiic)
16x2 RGB character LCD with Qwiic serial control. Same display size as many 16x2 modules, but a different wiring and software path.
$32.50
I2C 20x4 Arduino LCD Display Module visual previewI2C 20x4 Arduino LCD Display Module
20x4 I2C character LCD. Use when the project needs four lines; not a drop-in for a 16x2 enclosure or layout.
$14.00
Gravity: I2C 16x2 Arduino LCD with RGB Backlight Display V2.0 visual previewGravity: I2C 16x2 Arduino LCD with RGB Backlight Display V2.0
16x2 Gravity I2C RGB LCD. Similar purpose to other 16x2 I2C displays, but connector ecosystem and board size still matter.
$11.90
I2C RGB Backlight LCD 16x2 Display Module for Arduino (Black Text) visual previewI2C RGB Backlight LCD 16x2 Display Module for Arduino (Black Text)
16x2 I2C RGB LCD with a larger module footprint than some compact 16x2 backpacks. Check mounting and address before swapping.
$12.90
Grove - 16x2 LCD - White on Blue visual previewGrove - 16x2 LCD - White on Blue
Grove 16x2 display module. Grove connector makes it convenient in Grove systems, not automatically drop-in for Qwiic or bare parallel LCD wiring.
€7.01
Grove - 16x2 LCD - Black on Yellow visual previewGrove - 16x2 LCD - Black on Yellow
Grove 16x2 display color variant. Functionally adjacent to the other Grove 16x2 rows, but not proof of identical module electronics.
€7.25
Adafruit RGB 16x2 LCD and Keypad for Raspberry Pi visual previewAdafruit RGB 16x2 LCD and Keypad for Raspberry Pi
Raspberry Pi LCD/keypad HAT kit. Use for Pi front panels; not a drop-in Arduino/Qwiic/Grove LCD module.
£24.60
SparkFun TFT LCD Breakout - 1.8" (128x160) visual previewSparkFun TFT LCD Breakout - 1.8" (128x160)
1.8 inch 128x160 color TFT breakout. Use when the design expects a small SPI-style graphics display, not as a character LCD replacement.
$34.95
1.8" TFT LCD 160x128 RGB visual preview1.8" TFT LCD 160x128 RGB
Raw 1.8 inch 160x128 RGB TFT panel. SparkFun notes 9-bit SPI support, so treat it as a lower-level panel, not a drop-in for easier breakout boards.
$2.95
DFRobot 0.96" 160x80 Color SPI TFT Display visual previewDFRobot 0.96" 160x80 Color SPI TFT Display
0.96 inch 160x80 color SPI TFT module. Useful for compact graphics, but the tiny resolution and code assumptions differ from 1.8 inch and larger TFTs.
$9.95
TFT LCD Display Module Screen - 2.0in., 240x320 (SPI Interface) visual previewTFT LCD Display Module Screen - 2.0in., 240x320 (SPI Interface)
2.0 inch 240x320 SPI TFT module. Higher resolution than the small 0.96 and 1.8 inch screens, with driver and memory checks before substitution.
$18.95
3.5" TFT Color Display with Capacitive Touch Screen visual preview3.5" TFT Color Display with Capacitive Touch Screen
3.5 inch capacitive-touch TFT. Larger front-panel class with touch support; not a blind substitute for small SPI breakouts.
$49.95
4.3" TFT Color Display with Capacitive Touch Screen visual preview4.3" TFT Color Display with Capacitive Touch Screen
4.3 inch capacitive-touch TFT. Same broad role as the 3.5 and 5 inch touch displays, but enclosure, connector and UI layout change.
$54.95
5" TFT Color Display with Capacitive Touch Screen visual preview5" TFT Color Display with Capacitive Touch Screen
5 inch capacitive-touch TFT. Treat as a larger panel choice with mounting, current and UI-layout review required.
$69.95
Fermion: 3.5” 480x320 TFT LCD Capacitive Touchscreen with MicroSD Card Slot (Breakout) visual previewFermion: 3.5” 480x320 TFT LCD Capacitive Touchscreen with MicroSD Card Slot (Breakout)
3.5 inch 480x320 SPI TFT breakout with capacitive touch and microSD. Strong front-panel option, but touch/storage wiring and driver support must match.
$25.90
RGB backlight negative LCD 16x2 visual previewRGB backlight negative LCD 16x2
Parallel 16x2 RGB character LCD with dark background. Similar project role to the positive 16x2 RGB LCD, but check text/background polarity, extra RGB backlight pins, 5 V drive assumptions, contrast wiring and panel appearance before swapping.
$13.95
RGB backlight negative LCD 20x4 visual previewRGB backlight negative LCD 20x4
Parallel 20x4 RGB character LCD with dark background. Not a drop-in 16x2 replacement: it changes character geometry, board size, backlight current and UI layout.
$24.95
RGB backlight positive LCD 20x4 visual previewRGB backlight positive LCD 20x4
Parallel 20x4 RGB character LCD with light background. Compare against the negative 20x4 variant for readability and background style; compare against 16x2 parts for enclosure and firmware layout changes.
$24.95
LCD shield with 16x2 character display visual previewLCD shield with 16x2 character display
Arduino LCD shield kit with 16x2 display and keypad controls over I2C. Useful as a front-panel shield, not a substitute for a bare LCD module or Raspberry Pi HAT.
$19.95
LCD1602 (3.3V Yellow Backlight) visual previewLCD1602 (3.3V Yellow Backlight)
LCD1602 character module for 3.3 V logic with yellow backlight. Treat separately from 5 V LCD1602 modules when the host board cannot tolerate level shifting surprises.
$3.49
LCD1602 (5V Blue Backlight) visual previewLCD1602 (5V Blue Backlight)
LCD1602 character module for 5 V logic with blue backlight. Do not swap into a 3.3 V-only design without checking logic level, supply and backlight drive.
$3.49
LCD1602 (3.3V Blue Backlight) visual previewLCD1602 (3.3V Blue Backlight)
LCD1602 character module for 3.3 V logic with blue backlight. Same 16x2 role as the yellow 3.3 V variant, but the visual contrast and backlight color change the finished panel.
$3.69
Red/Black/White Inky pHAT (ePaper/eInk/EPD) visual previewRed/Black/White Inky pHAT (ePaper/eInk/EPD)
Pimoroni Inky pHAT e-paper module sold by Kiwi. Best treated as a Raspberry Pi pHAT display with e-paper-specific refresh and library checks, not a generic display panel.
€32.05
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