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PROJECT
34

Working with the SparkFun AD8232 Single Lead Heart Rate Monitor

By Sarah Aman

Learn how to connect and read ECG signals using SparkFun's AD8232 heart monitor with Arduino. Ideal for DIY health and bio-sensing projects.

PROJECT
301

LiPo Fuel Gauge (MAX1704X) Hookup Guide

By SparkFun Electronics

The SparkFun LiPo Fuel Gauge - MAX17043 connects your LiPo battery to your project and uses a sophisticated algorithm to detect the relative state of charge and direct A/D measurement of battery voltage.

PROJECT
5,272

Comparing Microcontrollers: What Brain Should I Go With?

By Antonio Velasco

Explore the features of Arduino, Raspberry Pi, and ESP32, and uncover which brainpower suits your project's needs.

TUTORIAL
1,498

How to Use Arduino Interrupts to Detect User Inputs

By Maker.io Staff

Using interrupts rather than polling GPIO is a better solution to detect button presses. Learn about the different types of interrupts and how to use them.

PROJECT
199

SparkFun Serial Basic CH340C Hookup Guide

By SparkFun Electronics

The latest iteration of the SparkFun Serial Basic Breakout takes advantage of USB-C and is an easy-to-use USB-to-Serial adapter based on the CH340C IC from WCH.