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DESCRIPTION If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The bi-directional logic level conv...

DESCRIPTION The 5V switching step-up/step-down voltage regulator S9V11F5 efficiently produces 5 V from input voltages between 2 V and 16 V. (Note:...

DESCRIPTION You just found the perfect I2C sensor, and you want to wire up two or three or more of them to your Arduino when you realize "Uh oh, t...

DESCRIPTION This powerful step-up/step-down regulator efficiently produces an adjustable 4 V to 12 V output from input voltages between 3 V and 30...

DESCRIPTION The Pololu basic relay carrier modules allow simple control of a single-pole, double-throw (SPDT) switch from low-voltage, low-current...

DESCRIPTION The Pololu step-up/step-down voltage regulator S7V8F5 is a switching regulator (also called a switched-mode power supply (SMPS) or DC-t...

DESCRIPTION A hardy 1A, 1000V diode. Useful for pretty much any simple application. FEATURES Voltage, Vrrm: 50V Current, If AV:1A Current, Ifsm:30...

DESCRIPTIONThis is a basic voltage regulator in a TO-220 package. It's perfect for reducing up to 35v down to a stable 5v supply with a very small ...

DESCRIPTION This is a breakout board for the very handy 16-Channel Analogue/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like a rota...

DESCRIPTIONThis step-up/step-down voltage regulator S7V8F3 is a switching regulator (also called a switched-mode power supply (SMPS) or DC-to-DC co...

DESCRIPTION This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 5V. ...

DESCRIPTION This is the LD1117V33, a basic voltage regulator in the TO-220 package. Perfect for low voltage 3.3V parts. FEATURES RESOURCES Dat...

DESCRIPTION This breakout board may well be the last current sensing solution you ever need to buy. Not only can it do the work of two multimeters...

DESCRIPTION This synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V while ...

DESCRIPTION Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many...

DESCRIPTION FRAM, or Ferroelectric Ram, is the coolest new data storage method that all the fashion magazines are talking about. Oh wait, no that'...

DESCRIPTION This is a simple 8 channel relay module. It can be used to control lighting, actuators and other electronic equipment. It's great for ...

DESCRIPTION This is a board designed for opto-isolation. This board is helpful for connecting digital systems (like a 5V microcontroller) to a hig...

DESCRIPTION The TPL5110 low power timer is a stand-alone breakout that will turn any electronics into low-power electronics! It will take care of ...

DESCRIPTION The 555 timer is a chip containing precision timing circuits capable of producing accurate time delays or oscillation. In the time-del...

DESCRIPTION This is a basic, NPN transistor. It can be used as a switch where a logic output can't supply (or sink) enough current. In some circums...

DESCRIPTION This discrete MOSFET stepper motor driver enables control of one bipolar stepper motor. It supports a wide 8 V to 50 V operating volta...

DESCRIPTION You've always wanted to output analogue voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The MCP4725 i...

DESCRIPTION This is the Real Time Clock (RTC) Module, this little breakout uses the DS1307 to keep track of the current year, month, day as well ...

DESCRIPTION The low current version of the SparkFun Current Sensor Breakout is a high accuracy board that utilises the ACS723 for low to moderate ...

DESCRIPTIONOpto Isolators provide a way of separating your low voltage, safe, logic signals from the terrifying, death inducing danger of the mains...

DESCRIPTION The SparkFun Current Sensor Breakout is a high accuracy board that utilises the ACS723 for moderate AC and DC current sensing applicat...

DESCRIPTION RETIRED PRODUCT - We've stopped stocking this product or it has been retired by the manufacturer and is no longer for sale. This page...

DESCRIPTION The S9V11F3S5CMA switching step-up/step-down regulator efficiently produces a fixed 3.3V (default) or 5V (selectable) output whether i...

DESCRIPTION The SparkFun TSH82 Configurable OpAmp Board was designed to give you the best combination of performance and flexibility that could be...

DESCRIPTION The SX1509 Breakout is a 16-channel GPIO expander with an I2C interface €“ that means with just two wires, your microcontroller ca...

DESCRIPTION The S9V11F5S6CMA switching step-up/step-down regulator efficiently produces a fixed 5V (default) or 6V (selectable) output whether it ...

DESCRIPTION Do you have too many sensors with the same I2C address? Put them on the SparkFun Qwiic Mux Breakout to get them all talking on the same...

DESCRIPTION Here is a real time clock based on the DS3234 Real Time Clock IC. The DS3234 is a low-cost, extremely accurate SPI bus real-time clock...

DESCRIPTION The SparkFun Buck-Boost Converter is a handy power accessory board that allows you to fine-tune the amount of power your project recei...

DESCRIPTION Your 5V system can wield great power with this big, beefy relay board. How does 10A on the NC contacts and 20A on the NO contacts at 2...