LED Gumball Machine
Contributors:
Nate
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!
Serial Communication
Asynchronous serial communication concepts: packets, signal levels, baud rates, UARTs and more!
LogicBlocks & Digital Logic Introduction
Introducing fundamental digital logic concepts and LogicBlocks
Raspberry gPIo
How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.
ASCII
A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.
Das Blinken Top Hat
A top hat decked out with LED strips makes for a heck of a wedding gift.
ADXL337 and ADXL377 Accelerometer Hookup Guide
How to get started using both the ADXL337 and ADXL377 3-axis accelerometers with analog outputs.
9DoF Sensor Stick Hookup Guide
How to connect and use the SparkFun 9 Degrees of Freedom Sensor Stick with an Arduino
CCS811/BME280 (Qwiic) Environmental Combo Breakout Hookup Guide
Sense various environmental conditions such as temperature, humidity, barometric pressure, eCO2 and tVOCs with the CCS811 and BME280 combo breakout board.