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!
Button and Switch Basics
A tutorial on electronics' most overlooked and underappreciated component: the switch! Here we explain the difference between momentary and maintained switches and what all those acronyms (NO, NC, SPDT, SPST, ...) stand for.
I2C
An introduction to I2C, one of the main embedded communications protocols in use today.
Raspberry gPIo
How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.
Understanding Thermal Resistance
Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.
Vernier Photogate
Vernier Photogate Timer -- using the Serial Enabled LCD Kit.
ADXL337 and ADXL377 Accelerometer Hookup Guide
How to get started using both the ADXL337 and ADXL377 3-axis accelerometers with analog outputs.
Getting Started with the micro:bit
The BBC micro:bit is a compact, powerful programming tool that requires no software installation. Read on to learn how to use it YOUR way!
SparkFun 9DoF IMU (ICM-20948) Breakout Hookup Guide
How to use the SparkFun 9DoF ICM-20948 breakout board for your motion sensing projects. This breakout is ideal for wearable sensors and IoT applications.