16 LEDs

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The 16_LEDs PCB
The 16_LEDs PCB

This is the documentation page for the 16-LEDs board.


A very useful board to test your digital outputs. Works on 5V as well as 3.3V so for the DIO as well as the Pi GPIO pins.
Must have! Use the 10x1Pin F-F kabel to hook it up to the boards (e.g. i2c_dio or spi_dio). Or if your board has a 10x2 pin header, you can use a 20pin IDC cable.

Assembly instructions

No user adjustable settings.

Possible Configurations

To test the 16LED, connect the device to any of the GND and power pins on the boards.
For example if you have a combination of the DIO and the 16LED (common GND), connect DIO-PIN1 to 16LED-PIN1 and DIO-PIN2 to 16LED-PIN3 to light LED0 as DIO-PIN2 is VCC (5V).

External resources

Related projects


pin function
3 4 LED0 LED1
5 6 LED2 LED3
7 8 LED4 LED5
9 10 LED6 LED7
11 12 LED8 LED9
13 14 LED10 LED11
15 16 LED12 LED13
17 18 LED14 LED15
19 20 VCC VCC

Jumper settings

Common Ground/Common VCC is hard wired in JP1.

1=2  3Common GND / kathode
1  2=3 Common VCC / anode

Future hardware enhancements



  • Initial public release