Presentation by John Lamb Trainee Master Teacher Monkwearmouth Academy Physical Computing with the Raspberry Pi

HDMI Composite video Ethernet USB Audio Power GPIO Raspberry Pi Hardware

Breakout Boards such as the pi cobbler allow you to use breadboard to build projects They are relatively cheap and great for projects but don’t protect the GPIO pins

One of many add-on boards which offer GPIO protection and extra functionality Developed by the University of Manchester with the education sector in mind 8 inputs 8 outputs 2 relays 0V 5V

Making the Piface classroom friendly

The final unit – safe to work on

Classroom Friendly Unit

Traffic lights using scratch

7 segment display – using Python £1 each

Interest and enthusiasm

Sensors don’t have to cost much An 8 input capacitive touch sensor can be bought for £1.99. The same technology as Makey Makey but much cheaper

Using the Data pins These bypass the Piface and go directly to the GPIO pins via a protected circuit This is needed for speed with some sensors as the Piface is too slow. Low cost sensors/motors e.g. Temperature Humidity Pressure Distance(Ultra sound) Servo/Stepper motors for robotics

Maplin Robotic Arm £30 each (watch out for offers every so often) Programmable with Scratch & Python thanks to an open source module called PYusb Robotics

Use the Python API to write code to control the world. The same script can switch on LED’s or other OUTPUTS. INPUT switches can be used as control