BOM
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1off Bar Type 3.71 inch 240x960 IPS TFT LCD Display SPI+RGB Interface
     https://www.buydisplay.com/bar-type-3-71-inch-240x960-ips-tft-lcd-display-spi-rgb-interface
     ST7701S controller
     OPTIONS:
     Touch Panel = No
     Controller Board = LT7680 Controller board with FFC & ZIF connector
     ZIF Connector for Display = Don't need this but it must be selected!
     IMPORTANT:
     On the LT7680 Pcb, you MUST open J1 and close J2 & J3

1off 20-way 1mm pitch, FPC/FFC connector

1off 20-way 1mm pitch flat flex A-type same side contacts (optional: this is a shorter version that comes with the display from buydisplay.com)
     1.0mm-20p-6cm

1off Pcb - See gerbers

1off Blue Pill STM32 board - STM32F103C8T6

2off Arduino female headers (optional: for mounting the Blue Pill board)

1off 5-way male SILL header (for mounting the LT7680A-R pcb)

1off 1-way male SILL header (for the NRST signal when programming the Blue Pill)

1off C2 capacitor 470nF or 1uf polyester

1off C1 Capacitor 10uf/16v or 22uF/16v electrolytic

1off 3D printed TFT mount & 2off biscuits

1off R1 Resistor 1.2kohm 1/4watt THP (with R2 this is used to drop 5v logic to 3.3v for the 01 clock signal)

1off R2 Resistor 2.2kohm 1/4watt THP

2off 1.5mm Plastic 3mm washers (optional: to help space the Pcb from the 3478A front panel, otherwise tighten loosely)


INSTRUCTIONS
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1. Program the Blue Pill using the .HEX file supplied.

2. Follow my video for assembly of Pcb and fitting.




IanJ
30/03/26