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SparkFun Electronics will be closed on July 3rd, 2015 in observance of Independence Day. Any orders placed after 2:00pm MT on July 2nd will be shipped out after the weekend. Thanks!

Voltage Divider

Number Systems

Using a Breadboard

Battery Basics

Soldering 101

RS-232 vs. TTL Serial Communication

Number System Conversions

Power and Thermal Dissipation

Pull-Up Resistors

LED Current Limiting Resistors

Analog To Digital Conversions

Bitwise Operators

How to Read a Datasheet

Logic Thresholds

Beginner Troubleshooting

GPS Accuracy

Picking the Correct IC Package