SunFounder IIC I2C TWI 1602 Serial LCD Module Display for Arduino R3 Mega 2560 16×2 Price: $8.99 (as of 25/11/2020 05:08 PST- Details)

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Easy to use. Less I/O ports are occupied, only four – VCC, GND, SDA (serial data line), SCL (serial clock line).
Support IIC protocol. The I2C LCD1602 library is provided, so you can call it directly.