SparkFun Electronics Engineering Tools

Results: 496
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Qty. RoHS Product Type
Product
Interface Type
SparkFun Other Development Tools Rotary Encoder B/O Illuminated (RG/RGB)
Datasheet
15In Stock
Min.: 1
Mult.: 1

Other Development Tools
SparkFun Daughter Cards & OEM Boards This simple board breaks out a micro-B USB connector's VCC GND ID D- and D+ pins to a 0.1" pitch header. If you want to add the popular micro-B USB to your project but don't want to put up with soldering the tiny connector this is the board for 137In Stock
Min.: 1
Mult.: 1

Daughter Cards & OEM Boards
SparkFun Audio IC Development Tools Electret Microphone Breakout
Datasheet
63In Stock
Min.: 1
Mult.: 1

Audio IC Development Tools
SparkFun Ethernet Development Tools RJ45 Breakout
Datasheet
120In Stock
Min.: 1
Mult.: 1

Ethernet Development Tools
SparkFun Interface Development Tools FT231X Breakout Breakout
Datasheet
64In Stock
Min.: 1
Mult.: 1

Interface Development Tools
SparkFun Multiple Function Sensor Development Tools 16 Output I/O Expan B/O SX1509 60In Stock
Min.: 1
Mult.: 1

Multiple Function Sensor Development Tools
SparkFun Daughter Cards & OEM Boards Pi Wedge Preassembled 4In Stock
Min.: 1
Mult.: 1

Daughter Cards & OEM Boards
SparkFun Daughter Cards & OEM Boards Cherry MX Switch Breakout
Datasheet
81In Stock
Min.: 1
Mult.: 1

Daughter Cards & OEM Boards
SparkFun Interface Development Tools USB UART Serial Breakout CY7C65213 17In Stock
Min.: 1
Mult.: 1

Interface Development Tools Breakout Boards UART, USB
SparkFun Clock & Timer Development Tools The SparkFun RV-8803 Real Time Clock Module is a Qwiic-enabled breakout board for the RV-8803 RTC. The RV-8803 boasts some impressive features including a temperature compensated crystal providing extremely precise time-keeping low power consumption
Datasheet
11In Stock
53Expected 7/6/2026
Min.: 1
Mult.: 1
Clock & Timer Development Tools Breakout Boards I2C
SparkFun Development Boards & Kits - ARM Qwiic micro:bit Breakout 17In Stock
Min.: 1
Mult.: 1
Development Boards & Kits - ARM Breakout Boards I2C, SPI
SparkFun Development Boards & Kits - ARM Qwiic micro:bit Breakout w Headers 5In Stock
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
67In Stock
111On Order
Min.: 1
Mult.: 1
Switch IC Development Tools Breakout Boards I2C
SparkFun Interface Development Tools Qwiic MultiPort
Datasheet
91In Stock
Min.: 1
Mult.: 1
Interface Development Tools Evaluation Modules I2C
SparkFun Audio IC Development Tools The SparkFun Analog MEMS Microphone Breakout makes it easy to work with the SPH8878LR5H-1 analog microphone from Knowles. This board features an OpAmp to bring the output of the microphone to a usable level allowing you to plug directly into an ADC 31In Stock
110Expected 8/14/2026
Min.: 1
Mult.: 1

Audio IC Development Tools Breakout Boards
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
123In Stock
Min.: 1
Mult.: 1

LED Lighting Development Tools
SparkFun Display Development Tools SparkFun Qwiic Alphanumeric Display - Blue 5In 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) 43In Stock
100Expected 8/14/2026
Min.: 1
Mult.: 1
Power Management IC Development Tools Breakout Boards
SparkFun Display Development Tools SparkFun Qwiic Alphanumeric Display - White 7In Stock
Min.: 1
Mult.: 1
Display Development Tools I2C
SparkFun Display Development Tools SparkFun Qwiic Alphanumeric Display - Green 5In 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 Power Management IC Development Tools Does your microcontroller need to control a high-voltage item like a 12V LED strip while also needing to be powered? Do you want to avoid having multiple power adapters and microcontrollers for your project? The MOSFET Power Switch and Buck Regulat 3In Stock
Min.: 1
Mult.: 1
Power Management IC Development Tools Development Kits
SparkFun Audio IC Development Tools LilyPad Buzzer 6In Stock
Min.: 1
Mult.: 1

Audio IC Development Tools