Pimoroni
Colour-coded GPIO Header for Pi Zero
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Raspberry Pi Zero
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Colour-coded GPIO pins that make locating that ground or power connection you need super simple! These 40-pin 2x20 male headers from our friends at The Pi...
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Colour-coded GPIO pins that make locating that ground or power connection you need super simple!
These 40-pin 2x20 male headers from our friends at The Pi Hut can be used on a Raspberry Pi Zero and are colour-coded for your prototyping convenience.
You'll never have to search for a ground pin again!
The colour coding is nice and simple:
- Red = 5V
- Yellow = 3V3
- Black = GND
- Blue = DNC (Reversed I2C)
For hard-mode try installing the header the wrong way round and throwing away your normal pin reference! ;-)
* Raspberry Pi Zero NOT included
Jargon buster
Plain-language definitions for the technical terms used above.
- GND
- GND is the ground or reference connection (0 V) for a circuit. When connecting two devices together, their grounds must be joined so both agree on what counts as a low or high signal.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
- Headers
- Rows of connector contacts on a fixed pitch (commonly 2.54 mm) used to link a board to a breadboard, jumper wires, or another board. They come as male pin headers and female socket headers; when a module ships with pre-soldered headers it can be used straight away, whereas bare pads require soldering the pins yourself.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
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