SparkFun Engineering Tools

Results: 490
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Qty. RoHS Product Type
Product
Interface Type
SparkFun Daughter Cards & OEM Boards Cherry MX Switch Breakout
Datasheet
43In Stock
80Expected 30/07/2026
Min.: 1
Mult.: 1

Daughter Cards & OEM Boards
SparkFun Interface Development Tools USB UART Serial Breakout CY7C65213 16In Stock
Min.: 1
Mult.: 1

Interface Development Tools Breakout Boards UART, USB
SparkFun Development Boards & Kits - ARM Qwiic micro:bit Breakout w Headers 10In Stock
19Expected 06/08/2026
Min.: 1
Mult.: 1
Development Boards & Kits - ARM Breakout Boards I2C, SPI
SparkFun Switch IC Development Tools Have you ever found the perfect sensor only to discover that it has the same I2C address as another device on your bus? Or worse you need to connect eight identical sensors to one microcontroller? The SparkFun Qwiic Mux Breakout is the simple powe
Datasheet
156In Stock
9Expected 12/08/2026
Min.: 1
Mult.: 1
Switch IC Development Tools Breakout Boards I2C
SparkFun Interface Development Tools Qwiic MultiPort
Datasheet
56In Stock
90Expected 10/08/2026
Min.: 1
Mult.: 1
Interface Development Tools Evaluation Modules I2C
SparkFun Display Development Tools 7-Segment Serial Display White
Datasheet
19In Stock
Min.: 1
Mult.: 1

Display Development Tools
SparkFun LED Lighting Development Tools This is the FemtoBuck a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a single high-power channel of LEDs from 0-350mA at up to 36V while the dimming control can be either accessed via PWM or analog s
Datasheet
103In Stock
164Expected 06/08/2026
Min.: 1
Mult.: 1

LED Lighting Development Tools
SparkFun Display Development Tools SparkFun Qwiic Alphanumeric Display - Red 26In Stock
Min.: 1
Mult.: 1
Display Development Tools Development Kits I2C
SparkFun Display Development Tools SparkFun Qwiic Alphanumeric Display - Blue 4In Stock
Min.: 1
Mult.: 1
Display Development Tools Development Kits I2C
SparkFun LED Lighting Development Tools The SparkFun Qwiic LED Stick features ten addressable APA102 LEDs making it easy to add full color LED control using I2C. Write to individual LEDs to display a count in binary or write to the whole strip for cool lighting effects. You can even add 66In Stock
Min.: 1
Mult.: 1
LED Lighting Development Tools Evaluation Boards
SparkFun Power Management IC Development Tools SparkFun Buck Regulator Breakout - 3.3V (AP63203) 116In Stock
153Expected 30/10/2026
Min.: 1
Mult.: 1
Power Management IC Development Tools Breakout Boards
SparkFun Display Development Tools SparkFun Qwiic Alphanumeric Display - White 6In Stock
Min.: 1
Mult.: 1
Display Development Tools I2C
SparkFun Display Development Tools SparkFun Qwiic Alphanumeric Display - Green 4In Stock
Min.: 1
Mult.: 1
Display Development Tools Display Shields I2C
SparkFun Power Management IC Development Tools The SparkFun 3.3V Buck Regulator Breakout features the AP3429A from Diodes Inc. a 2A step-down DC-DC converter with an input voltage range of 2.7V to 5.5V. This full-size 1in. x 1in. version of our buck regulator boards is configured to provide a r 10In Stock
Min.: 1
Mult.: 1

Power Management IC Development Tools Breakout Boards
SparkFun Audio IC Development Tools LilyPad Buzzer 6In Stock
Min.: 1
Mult.: 1

Audio IC Development Tools
SparkFun Temperature Sensor Development Tools LilyPad Temperature Sensor 3In Stock
10Expected 06/10/2026
Min.: 1
Mult.: 1

Temperature Sensor Development Tools
SparkFun Acceleration Sensor Development Tools LilyPad ACCLRM ADXL335
Datasheet
7In Stock
Min.: 1
Mult.: 1

Acceleration Sensor Development Tools
SparkFun Interface Development Tools FTDI Basic Breakout 3.3V 82In Stock
Min.: 1
Mult.: 1

Interface Development Tools
SparkFun Audio IC Development Tools Music Instrument Shield 9In Stock
Min.: 1
Mult.: 1

Audio IC Development Tools
SparkFun Power Management IC Development Tools LilyPad Vibe Board 9In Stock
Min.: 1
Mult.: 1

Power Management IC Development Tools Evaluation Boards
SparkFun Development Boards & Kits - AVR LilyTwinkle
Datasheet
32In Stock
Min.: 1
Mult.: 1

Development Boards & Kits - AVR
SparkFun Development Boards & Kits - AVR LilyPad Arduino USB ATmega32U4 Board
Datasheet
39In Stock
Min.: 1
Mult.: 1

Development Boards & Kits - AVR
SparkFun Audio IC Development Tools MP3 Player Shield Player Shield 14In Stock
Min.: 1
Mult.: 1

Audio IC Development Tools
SparkFun Memory IC Development Tools microSD Shield Shield 24In Stock
Min.: 1
Mult.: 1

Memory IC Development Tools Shields
SparkFun Development Boards & Kits - AVR LilyPad Arduino 328 Main Board 8In Stock
Min.: 1
Mult.: 1

Development Boards & Kits - AVR