The project uses a Raspberry Pi 3 running the latest version of Raspbian with internet enabled WiFi. You can use earlier versions of the Pi, however, the port pin numbers may not correspond to the ones mentioned here. The Pi needs to have a few interfacing connections enabled. This used to be a long and tedious business but it has now been greatly simplified. The easiest way to connect the Pi’s HDMI cable to a monitor, attach an internet connected Ethernet cable, a usb keyboard and mouse and boot to Raspbian. From the raspberry icon on the top left of the screen, select preferences/raspberry Pi configuration/interfaces and enable SSH, 1-Wire and Remote GPIO, then close the pop up window. To enable WiFi, click on the up/ down arrows icon on the top right of the screen and follow the prompts . Remove the Ethernet connection, then, click on the command window icon and enter the command ‘hostname –I’. Make a note of the IP address that’s displayed, you’ll need it to connect to the Pi. Then reboot the Pi. (enter ‘reboot’).
And be sure to check out our assortment of DS18B20 sensors, from a basic TO-92 package suitable for breadboard prototyping and through-hole PCBs to fully-encased waterproof and high-temp waterproof housings:
We are angry, frustrated, and in pain because of the violence and murder of Black people by the police because of racism. We are in the fight AGAINST RACISM. George Floyd was murdered, his life stolen. The Adafruit teams have specific actions we’ve done, are doing, and will do together as a company and culture. We are asking the Adafruit community to get involved and share what you are doing. The Adafruit teams will not settle for a hash tag, a Tweet, or an icon change. We will work on real change, and that requires real action and real work together. That is what we will do each day, each month, each year – we will hold ourselves accountable and publish our collective efforts, partnerships, activism, donations, openly and publicly. Our blog and social media platforms will be utilized in actionable ways. Join us and the anti-racist efforts working to end police brutality, reform the criminal justice system, and dismantle the many other forms of systemic racism at work in this country, read more @ adafruit.com/blacklivesmatter
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.
