<p>This module is composed of OLED IIC interface module and EC11 rotary encoder combined module, two It is not associated, just placed on a board, made into an integrated module, with additional return and</p> <p>Confirm the key, the key interface is also independent, you can choose to use according to the actual use.</p> <p>Integrated design, more simple and beautiful, convenient DIY.</p> <p>1.3Inch OLED+EC11 rotary encoder</p> <p>OLED driver chip: SH1106</p> <p>OLED interface: IC</p> <p>EC11: Plum handle, handle length 15mm,20</p> <p>Pulse 20 positioning, 5 pin strap switch</p> <p>CON(KEY1): Confirms the key interface</p> <p>SDA: Data interface for OLED screen IIC communication</p> <p>SCL: Clock interface for OLED screen IIC communication</p> <p>PSH: key interface of EC11</p> <p>TRA, TRB: phases A and B of EC11</p> <p>BAK(KEY0): Returns the key</p> <p>GND: Power source</p> <p>VCC:3.3V power supply positive</p> <p>Colour:Photo Color</p> <p>Material:plastic</p> <p>Package Contents:</p> <p>1 x display</p> <p>1 x pin header</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection 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.</p>