User Guide

Example 3 – STOP:bit
Equipment required:
• 1 x Klip Motor board (https://kitronik.co.uk/5655)
• 1 x BBC micro:bit (https://www.kitronik.co.uk/5613)
• 1 x STOP:bit (https://www.kitronik.co.uk/5642)
• 4 x crocodile clip leads (https://www.kitronik.co.uk/2407)
• 3 x AA batteries
Wiring Diagram:
Connect crocodile clip leads between the Pin 0 output on the Klip Motor board and P0 on the
STOP:bit, the Pin 1 output on the Klip Motor board and P1 on the STOP:bit, the Pin 2 output on the
Klip Motor board and P2 on the STOP:bit, and finally the GND connection on the Klip Motor board
and the GND connection on the STOP:bit.
Program a BBC micro:bit (explained in the ‘How to code it’ section of this guide) and the slot this into
the edge connector on the Klip Motor board with the LED display facing up (as shown in the wiring
diagram above).
A short test program can be found using the link below:
https://makecode.microbit.org/_h1HFd0d3X5cX
This program runs a UK traffic light sequence continually.
Note: The ‘kitronik-stopbit’ MakeCode Extension is required for this project.