Keyestudio LCD1602 3D module includes a SD card reader, a rotary encoder and a 16 character * 2 line LCD.
Keyestudio LCD1602 3D module used in 3D printer, an extension accessory of RAMPS. By using this panel, the printer can realize off-line printing function.
The new OLED technology only uses electricity per pixel. Because each pixel creates its own light, only the pixels that are on use electricity. This makes OLED technology very efficient; also, the way these types of OLEDs are built allows them to be very thin compared to LCD.
keyestudio 2004 I2C Module is a 20 character by 4 line LCD display with Blue background and White backlight.