LED Gumball Machine

SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.

An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!

An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.

A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.

Bring the ability to detect light levels to any project with the SparkFun TEMT6000 Ambient Light Sensor Breakout.

Learn how to harness the power of the Intel® Edison using JavaScript to post data to the cloud, control electronics from smartphones, and host web pages that interact with circuits.

The SparkFun Qwiic Proximity Sensor is a great, qualitative proximity (up to 20 cm) and light sensor. This hookup guide covers a few examples to retrieve basic sensor readings.

The SparkFun MicroMod Environmental Function Board adds additional sensing options to the MicroMod Processor Boards. This function board includes three sensors to monitor air quality (SGP40), humidity & temperature (SHTC3), and CO2 concentrations (STC31) in your indoor environment. To make it even easier to use, all communication is over the MicroMod's I2C bus! In this tutorial, we will go over how to connect the board and read the sensors.