LED Gumball Machine
Contributors:
Nate
Resources and Going Further
We hope you've enjoyed reading about our LED dispensing gumball machine. If you liked this one, there's tons more!
Pull-up Resistors
A quick introduction to pull-up resistors - whey they're important, and how/when to use them.
Motors and Selecting the Right One
Learn all about different kinds of motors and how they operate.
Raspberry Pi SPI and I2C Tutorial
Learn how to use serial I2C and SPI buses on your Raspberry Pi using the wiringPi I/O library for C/C++ and spidev/smbus for Python.
AST-CAN485 Hookup Guide
The AST CAN485 is a miniature Arduino in the compact form factor of the ProMini. In addition to all the usual features it has on-board CAN and RS485 ports enabling quick and easy interfacing to a multitude of industrial devices.
Interactive LED Music Visualizer
Use an Arduino and the SparkFun Sound Detector to create visualizations on Addressable RGB LED strips.
Qwiic IR Array (MLX90640) Hookup Guide
The Melexis MLX90640 contains a 32x24 array of thermopile sensors creating, in essence, a low resolution thermal imaging camera. In this guide, we’ll go over how to connect your Qwiic Infrared Array with MLX90640 and get it communicating with Processing to produce a nice thermal image.
Qwiic PIR Hookup Guide
Get started passively monitoring motion using the Panasonic EKMC and EKMB sensors with the SparkFun Qwiic PIR.
Qwiic 9DoF - ISM330DHCX, MMC5983MA Hookup Guide
Find all your degrees of freedom with this little Qwiic breakout board combining the ISM330DHCX 6Dof and the MMC5983MA Magnetometer!