[Features of the product]:Based on for standard interface design, compatible and can be directly inserted into for 2 generation B/3 generation B/Zero/Zero W Introduce SPI control interface, can access for Raspberry//Nucleo and other main control boards Provide a complete supporting information manual (sample programs such as for Raspberry//STM32) [product parameters] Working voltage: 3.3V Communication interface: 3-wire SPI, 4-wire SPI [Interface Description] VCC: 3.3V GND : GND DIN: SPI communication MOSI pin CLK: SPI communication pin : SPI Chip Select Pin (Active Low) DC: Data/ control pin (high level means data, low level means ) : External reset pin (low reset) BUSY: Busy status output pin (low level means busy) Colour:Blue Material:ABS Size:55x21x15mm Package Contents: 1 * Ink Screen Driver Board Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.