Raspberry Pi Roundup - 22nd June 2016

Raspberry Pi Roundup - 22nd June 2016

Bar Graph

Robin Newman, who does some wonderful stuff with Sonic Pi amongst other things, recently received his RasPiO ProHAT experimenter’s kit and set himself a project. The project involved taking the components from the kit and adding a couple of capacitors and creating an LED bar graph. He takes the analog stereo output from the Pi (generated by Sonic Pi), runs it through the MCP3008 chip supplied with the experimenter’s kit and then outputs sound levels on the LEDs. Great work, Robin. Read more on his blog and look at the code here.

Interview with Eben

Here's an interview with Eben Upton, CEO of Raspberry Pi Trading, conducted by The Centre for Computing History (with help from the Heritage Lottery fund). The interview is all about the history of the Pi, how it got started and how things have evolved. Fascinating stuff and well worth a look


Dylan Schuster over at losant.com has taken two Raspberry Pi 3s and hooked them up to two custom turn-key-and-button boxes. He’s then used Losant’s new MQTT and REST clients to make them Internet of Things devices. By sending messages from the two Pis and receiving messages back, the system will only ‘activate’ if both keys are turned. Read more here. (Apologies for the rubbish GIF above)

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