Markdown Colors

• 🔴 red: +5V
• 🟠 orange: +3.3V
• ⚫ black: ground
• ⚪ white: ground (pull-down)
• 🟣 purple: I2C signal
• 🟢 green: clock signal
• 🟡 yellow: WS2812 signal
• 🔵 blue: resistor bridge (analogue) input
• 🟤 brown: free