# Components on B+ BAR Module ## Displays: Brand: Osptek Type: YDP096B002-V1 Protocol: SPI Driver IC: ST7735S Resolution: 160 (h) x 80 (v) [Specification PDF](../Datasheets/YDP_096_B002_V1_8_P_b6210a13b6.pdf) ### Pinout: ``` Left Right Common PIN SYMBOL FUNCTION 1 LEDA Backlight anode 2 GND Ground 3 RESET Chip reset signal 4 RS Register select signal. 0:index register; 1:data register 5 SDA Serial data input pin in serial interface operation 6 SCL Serial interface clock 7 VCC(2.8V) Analog Power Supply for LCM(2.8V) IC1-14 GP5 IC1-10 GP1 8 CS Chip select pin ``` ## IC 1 Brand: Microchip Type: MCP23008 Protocol: I2C [Datasheet](../Datasheets/MCP23008-MCP23S08-Data-Sheet-20001919F.pdf) ### IO: ``` GP0 N.C. GP1 Chip select Display Right GP2 Button Right GP3 N.C. GP4 N.C. GP5 Chip select Display Left GP6 Button Left GP7 N.C. ``` ## Neopixels Neopixels are connected in series and in the folowing order: 1. Base connector #17 2. Neopixel Front Left 3. Neopixel Back Left 4. Neopixel Front Right 5. Neopixel Back Right 6. Base connector #16 ## Buttons ``` Button Left: IC 1 # 15 GP6 Button Right: IC 1 # 11 GP2 ``` ## Base connector 1 ``` PIN Description Destination 1 GND GND 2 +3.3V +3.3V 3 Reset IC 1 #4, Display #3 4 I2C SDA IC 1 #20 5 SPI MOSI Display #5 6 I2C SCL IC 1 #19 7 SPI SCK Display #6 8 I2C Address MSP A0 IC 1 #3 9 SPI Register select Display #4 10 I2C Address MSP A1 IC 1 #2 11 Backlight anode Display #1 12 I2C Address MSP A2 IC 1 #1 13 Extensionplate... - 14 Connected with J0,2,3 - 15 Main Display Backlight anode - 16 Neopixel Data OUT Neopixel Front Left 17 Neopixel Data IN Neopixel Back Right ```