Schematic design and PCB design

TYPE-C power supply 5V, LED51 is the power indicator, 1117 chip 5V to 3V power supply to single-chip microcomputer and OLED, 5V is to power WS2812, JP1 is the program download port.

Selection of the main modules

STM32F103C8T6

OLED0.96(7pin)

LM1117(3.3V)

WS2812(3535(A)）

TYPE-C

Related features

Mode 1: Adjustable white light brightness

Mode 2: Ambient Light (5 Modes: Up, Down, Left, Right, Oblique)

Mode 3: I LOVE Y PATTERN

Enclosure design

Motherboard

Roof

Schematic

PCB

Download the program

1.ST-LINK V2 download program.

2. Type-C can be plugged in when testing WS2812, and the rest is not used.

3. Programming Program (HEX.) The software is STM32 ST-LINK Utility.