Arduino UNO R3 ×: 1: I2C 16x2 Character LCD - Blue Backlight ×: 1: I2C 16x2 Character LCD - Green Backlight ×: 1: connect 1,3,5 to Ground, 2 on power, 6 to RS and 7 to 14 as DB0 - DB7 (the dataports in 8Bit Mode) Alternative connect 7-10 to ground,too and 11 - 14 as DB0 - DB3 (the dataports in 4bit Mode) Hi I have a 16x2 LCD panel (14 pin). LCD uses 8-bit parallel data bus for communication. Device Pin / Description Arduino Pin LCD 16x2 or 20x4 D4: D7 D5: D6 D6: D5 D7: D4 RS: D12 E/ENA: D13 RW & VSS & K (16) GND A (15) & VDD +Vcc: RDA5807 VCC: 3. SDA pin: I2C data signal SCL pin: I2C clock The pin configuration of LCD 16 X 2 is discussed below so that LCD 16×2 connection can be done easily with external devices.
Pinout lcd 16x2 This is a comprehensive guide for Arduino LCD (Liquid Crystal Display) Interfacing.
