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!
Voltage, Current, Resistance, and Ohm's Law
Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.
Digital Logic
A primer on digital logic concepts in hardware and software.
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.
How Does an FPGA Work?
The What, How, Why, and When of Field Programmable Gate Arrays, aka FPGAs
Blynk Board Project Guide
A series of Blynk projects you can set up on the Blynk Board without ever re-programming it.
SparkFun WiFi IR Blaster Hookup Guide
How to assemble the WiFi IR Blaster and program it using Arduino. You'll be controlling IR devices from the web in no time!
SparkFun gator:soil Hookup Guide
The gator:soil is analog soil moisture sensor. This tutorial will get you started using the gator:soil with the micro:bit platform.
Wireless Remote Weather Station with micro:bit
Monitor the weather without being exposed to it through wireless communication between two micro:bits using the radio blocks! This is useful if your weather station is installed in a location that is difficult to retrieve data from the OpenLog. We will also explore a few different ways to send and receive data.