Tutorials

Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.

Skip the bootloader and load your program directly onto an AVR with the AVR Pocket Programmer.

A how-to on the Tiny AVR Programmer. How to install drivers, hook it up, and program your favorite Tiny AVRs using AVRDUDE!

A tutorial to help figure out the power requirements of your project.

Learn the difference between 3.3V and 5V devices and logic levels.

A guide to using the TeensyView OLED board to display text and graphics.

This tutorial will teach you what a bootloader is and why you would need to install or reinstall it. We will also go over the process of burning a bootloader by flashing a hex file to an Arduino microcontroller.

A quick tutorial showing how to reprogram the ATtiny85 IC found on the LilyTiny or LilyTwinkle boards.

Tearing down the nifty Bluetooth-enabled MetaWatch. Then building an Arduino sketch to control it.

How to get started using the BlueSMiRF and Bluetooth Mate Silvers.

Connectors are a major source of confusion for people just beginning electronics. The number of different options, terms, and names of connectors can make selecting one, or finding the one you need, daunting. This article will help you get a jump on the world of connectors.

This is a guide for assembling and basic use of the Beefcake Relay Control board

A crash course in bi-polar junction transistors. Learn how transistors work and in which circuits we use them.

A bare minimum Arduino compatible breakout using a ATtiny84 for integration into your small projects!

Learn how to affix a GNSS antenna, use PPP to get its ECEF coordinates and then broadcast your own RTCM data over the internet and cellular using NTRIP to increase rover reception to 10km!

The SparkFun AzureWave Thing Plus is a Feather form-factor development board equipped with the AW-CU488. We'll highlight key features of the board and show you to get started with the development board. A few Arduino examples will be highlighted to connect to a WiFi router, calculate the Fast Fourier Transform (FFT) from an input microphone, output an analog signal to a speaker, and connect an Qwiic-enabled device.

Tutorial showing how to solder castellated holes (or castellations). This might come in handy if you need to solder a module or PCB to another PCB. These castellations are becoming popular with integrated WiFi and Bluetooth modules.

Want to take a stab at advancing your programming skills? Check out the Thing Plus - RP2040, with the first microcontroller from the Raspberry Pi Foundation. This guide will get you started working with the RP2040 and programming in MicroPython and C/C++.

This tutorial covers the basic functionality of the Pro Micro RP2040 and highlights the features of the dual-core ARM Cortex-M0+ processors development board. Get started with the first microcontroller from the Raspberry Pi Foundation!

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!

Getting started with the nRF9160 from Circuit Dojo and SparkFun!

How to program SAMD21 or SAMD51 boards (or other ARM processors).

Get precision down to the diameter of a dime with the new ZED-F9P from u-blox.

Hit the ground running with Tsunami, the Super Wav Trigger.