Data Sheet

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Introduction: The BBC micro:bit interface for Fischertechnik gives an

alternative to control motors and components in the Fischertechnik range.

Designed to run from a 9V PP3 battery (as used in Fischertechnik kits) the

PCB produces a regulated 3V supply to power the BBC micro:bit. The board

also includes a power switch to turn on and off the supply.

There are plated holes for using the Fischertechnik plugs to connect

components from the Fischertechnik kits to the PCB. The PCB has been

designed to slot onto the Fischertechnik base plate to give ease of access to

the additional circuitry. See dimensions for Fischertechnik base plate grid

hole counts.

:CREATE BBC micro:bit interface for Fischertechnik

www.kitronik.co.uk/5656

Pinout

P0 Input/Output pin

P1 Input/Output pin

P5/SW A Switch A pin

P11/SW B Switch B pin

P8 Motor 1 control line

P12 Motor 1 control line

P2 Motor 2 control line

P16 Motor 2 control line

Connections: There are 2

Input/Output pins and 2 switch

inputs, each paired with a 0V

connection

2 pairs of motor connections that

can drive a motor both clockwise

and counter-clockwise. The

corresponding pins to the BBC

micro:bit are labelled in the table

and on the PCB.

Inserting a BBC micro:bit:

The board has been designed so that

the BBC micro:bit can plug directly

into the edge connector on the

Motor Board. The BBC micro:bit can

be inserted facing either direction.

Layout & Dimensions:

NOTE: PCB is 17.2mm in height

BBC micro:bit

Edge

Connector

Motor 2

Power Connection

Power Switch

66 mm

79 mm

I/O pin

with paired

0V pin

LED

status

indicator

Motor 1

x4 Fischertechnik

base plate

keyslots

45mm / 4 grid holes

60mm / 5 grid

holes

15mm / 2 grid holes

23mm

Motor

Direction

LEDs

Summary of content (2 pages)

PAGE 1
:CREATE BBC micro:bit interface for Fischertechnik www.kitronik.co.uk/5656 Introduction: The BBC micro:bit interface for Fischertechnik gives an alternative to control motors and components in the Fischertechnik range. Designed to run from a 9V PP3 battery (as used in Fischertechnik kits) the PCB produces a regulated 3V supply to power the BBC micro:bit. The board also includes a power switch to turn on and off the supply.
PAGE 2
:CREATE BBC micro:bit interface for Fischertechnik www.kitronik.co.uk/5656 Software: Custom MAKECODE blocks have been created for driving the electrical components supplied in the Fischertechnik Electronics kit. These include switches, LED, Phototransistor and NTC resistor. LED Block – Connect the LED to either P0 or P1 from the selection and choose to either turn it on or off Phototransistor Block – take a voltage reading from the phototransistor, select either P0 or P1.