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!
Logic Levels
Learn the difference between 3.3V and 5V devices and logic levels.
Polarity
An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.
Hexadecimal
How to interpret hex numbers, and how to convert them to/from decimal and binary.
LogicBlocks Experiment Guide
Experiments guide for the LogicBlocks kit. Build oscillators, latches, multiplexers and more with the LogicBlocks.
FLIR Lepton Hookup Guide
See the invisible world of infrared radiation using the FLIR Dev Kit and Raspberry Pi.
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.
SparkFun Qwiic 3-Axis Accelerometer (ADXL313) Hookup Guide
Let's get moving with the SparkFun Triple Axis Digital Accelerometer Breakout - ADXL313 (Qwiic), a low cost, low power, up to 13-bit resolution, 3-axis accelerometer with a 32-level FIFO stack capable of measuring up to ±4g. This hookup guide will get users started reading measurements from the ADXL313, by Analog Devices, with an Arduino microcontroller, Jetson Nano, or Raspberry Pi.
Qwiic 6DoF - ISM330DHCX Hookup Guide
Get started with the Qwiic 6DoF ISM330DHCX Breakout Board!