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!
Voltage, Current, Resistance, and Ohm's Law
Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.
Accelerometer Basics
A quick introduction to accelerometers, how they work, and why they're used.
Hexadecimal
How to interpret hex numbers, and how to convert them to/from decimal and binary.
Getting Started with LTspice
LTspice is a high performance SPICE simulator, schematic capture and waveform viewer with an impressive library of passive devices. Over 1000 models are included in the download but you can also add third party models.
ITG-3200 Hookup Guide
Learn how to interact with the ITG-3200 Triple Axis Gyroscope.
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 AS3935 Lightning Detector Hookup Guide (v20)
Are you worried about the looming clouds in the distance, how far away is that storm exactly? Add lightning detection with the AS3935 to your next weather station or your next bike ride!
Qwiic Ultrasonic Distance Sensor (HC-SR04) Hookup Guide
Get started with the Qwiic Ultrasonic Distance Sensor!