Automatic Colormetric Water Tester #piday #raspberrypi @Raspberry_Pi

From Robogardens via This describes the steps for making the automated water tester. The design has slightly changed since the initial post. The original design required printing a central stalk which all the parts attached to. The stalk was 310mm long, which meant that a large format printer was required. In addition, it was difficult to print it without warping. Based on some suggestions, I redesigned the tester to... Read more

Algo-rhythmic PianoAI

It’s no secret that we love music projects at Pi Towers. On the contrary, we often shout it from the rooftops like we’re in Moulin Rouge! But the PianoAI project by Zack left us slack-jawed: he built an AI on a Raspberry Pi that listens to his piano playing, and then produces improvised, real-time accompaniment. Jamming with PIanoAI (clip 1) (Version 1.0) Another example of a short teaching and then... Read more

Cheap Arduino robot teaching resource

Years ago, I built a robot chassis consisting of hardboard, two motors, two wheels, plus a third pivoting trailing wheel to keep the thing upright. The motors were hinged in such a way that their weight kept their spindles in contact with the wheels forming a simple reduction drive. It was bought to mind because … This story continues at Cheap Arduino robot teaching resource Or just coverage at Electronics... Read more

Project 1.2

In this exercise, we will control a fan’s speed using a potentiometer. For this lab exercise you will need:1 Arduino Micro-controller1 Breadboard 1 Transistor PN22221 Diode1 220 Ohm ResistorJumper Wire Pack Connect the Fan At this point you should have all of the required materials for the exerc…By: CodyBuch Read more

The Possibilities of the Sense HAT @Raspberry_Pi #PiDay #RaspberryPi

via Did you realise the Sense HAT has been available for over two years now? Used by astronauts on the International Space Station, the exact same hardware is available to you on Earth. With a new Astro Pi challenge just launched, it’s time for a retrospective/roundup/inspiration post about this marvellous bit of kit. We developed our scientific add-on board to be part of the Astro Pi computers we sent... Read more

Raspberry Pi Beginners Tutorial: Using a Passive Buzzer @Raspberry_Pi #PiDay #RaspberryPi

Cool resource for beginners from componentsplus. Using the buzzer, build the following circuit: . Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time! Read more