Raspberry Pi Geek 23

The kernel module simplifies access to the BMP180 sensor, allowing you to record the temperature and air pressure with shell commands.

Create a web page to generate your own QR codes, use MIT's App Inventor to build an Android QR code reader, and finally, put QR codes on your Pi and Android sensors with links to documentation or real-time web data.

With an ESP8266 and a few components, you can put together your own robot arm.

The Raspberry Pi 3 usually has a 32-bit Linux system running, in spite of the 64-bit CPU that is built into the little computer. We decided to see how the RPi3 runs with a real 64-bit system.

Wire Lego Mindstorms

The Rasp Pi Zero comes with minimal equipment. To build it out, you will need an OTG adapter plus a USB hub. Makerspot has an interesting solution for this.