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SparkFun Engineering Tools

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Interface Type
Other Development Tools Rotary Encoder B/O Illuminated (RG/RGB) BOB-11722 SparkFun 1: $4.25 11In Stock	Mfr. Part No. BOB-11722 Mouser Part No 474-BOB-11722	SparkFun	Other Development Tools Rotary Encoder B/O Illuminated (RG/RGB) Learn More about SparkFun breakout boards	Datasheet	11In Stock	$4.25	Min.: 1 Mult.: 1	Other Development Tools
Interface Development Tools Voltage Level Translator TXB0104 BOB-11771 SparkFun 1: $5.95 167In Stock	Mfr. Part No. BOB-11771 Mouser Part No 474-BOB-11771	SparkFun	Interface Development Tools Voltage Level Translator TXB0104 Learn More about SparkFun breakout boards	Datasheet	167In Stock	$5.95	Min.: 1 Mult.: 1	Interface Development Tools
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 BOB-12035 SparkFun 1: $2.95 101In Stock	Mfr. Part No. BOB-12035 Mouser Part No 474-BOB-12035	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 Learn More about SparkFun breakout boards		101In Stock	$2.95	Min.: 1 Mult.: 1	Daughter Cards & OEM Boards
Audio IC Development Tools Electret Microphone Breakout BOB-12758 SparkFun 1: $9.28 107In Stock	Mfr. Part No. BOB-12758 Mouser Part No 474-BOB-12758	SparkFun	Audio IC Development Tools Electret Microphone Breakout Learn More about SparkFun breakout boards	Datasheet	107In Stock	$9.28	Min.: 1 Mult.: 1	Audio IC Development Tools
Ethernet Development Tools RJ45 Breakout BOB-13021 SparkFun 1: $7.95 134In Stock 182Expected 26/10/2026	Mfr. Part No. BOB-13021 Mouser Part No 474-BOB-13021	SparkFun	Ethernet Development Tools RJ45 Breakout Learn More about SparkFun breakout boards	Datasheet	134In Stock 182Expected 26/10/2026	$7.95	Min.: 1 Mult.: 1	Ethernet Development Tools
Interface Development Tools FT231X Breakout Breakout BOB-13263 SparkFun 1: $14.95 38In Stock 100Expected 30/10/2026	Mfr. Part No. BOB-13263 Mouser Part No 474-BOB-13263	SparkFun	Interface Development Tools FT231X Breakout Breakout Learn More about SparkFun breakout boards	Datasheet	38In Stock 100Expected 30/10/2026	$14.95	Min.: 1 Mult.: 1	Interface Development Tools
Multiple Function Sensor Development Tools 16 Output I/O Expan B/O SX1509 BOB-13601 SparkFun 1: $7.52 85In Stock	Mfr. Part No. BOB-13601 Mouser Part No 474-BOB-13601	SparkFun	Multiple Function Sensor Development Tools 16 Output I/O Expan B/O SX1509 Learn More about SparkFun breakout boards		85In Stock	$7.52	Min.: 1 Mult.: 1	Multiple Function Sensor Development Tools
Daughter Cards & OEM Boards Cherry MX Switch Breakout BOB-13773 SparkFun 1: $2.50 112In Stock	Mfr. Part No. BOB-13773 Mouser Part No 474-BOB-13773	SparkFun	Daughter Cards & OEM Boards Cherry MX Switch Breakout Learn More about SparkFun breakout boards	Datasheet	112In Stock	$2.50	Min.: 1 Mult.: 1	Daughter Cards & OEM Boards
Interface Development Tools USB UART Serial Breakout CY7C65213 BOB-13830 SparkFun 1: $17.95 8In Stock	Mfr. Part No. BOB-13830 Mouser Part No 474-BOB-13830	SparkFun	Interface Development Tools USB UART Serial Breakout CY7C65213 Learn More about SparkFun breakout boards		8In Stock	$17.95	Min.: 1 Mult.: 1	Interface Development Tools	Breakout Boards	UART, USB
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 BOB-16281 SparkFun 1: $20.57 48In Stock	Mfr. Part No. BOB-16281 Mouser Part No 474-BOB-16281	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 Learn More about SparkFun real time clock module	Datasheet	48In Stock	$20.57	Min.: 1 Mult.: 1	Clock & Timer Development Tools	Breakout Boards	I2C
Development Boards & Kits - ARM Qwiic micro:bit Breakout w Headers BOB-16446 SparkFun 1: $6.32 42In Stock	Mfr. Part No. BOB-16446 Mouser Part No 474-BOB-16446	SparkFun	Development Boards & Kits - ARM Qwiic micro:bit Breakout w Headers Learn More about SparkFun qwiic microbit breakout boards		42In Stock	$6.32	Min.: 1 Mult.: 1	Development Boards & Kits - ARM	Breakout Boards	I2C, SPI
Interface Development Tools Qwiic MultiPort BOB-18012 SparkFun 1: $2.50 127In Stock	Mfr. Part No. BOB-18012 Mouser Part No 474-BOB-18012	SparkFun	Interface Development Tools Qwiic MultiPort Learn More about SparkFun qwiic multiport	Datasheet	127In Stock	$2.50	Min.: 1 Mult.: 1	Interface Development Tools	Evaluation Modules	I2C
Programmer Accessories This is a handy AVR programming cable that incorporates both the 10-pin and 6-pin ISP programming interfaces.Cable is about 12" long and mates with pins on 1/10in centers. CAB-09215 SparkFun 1: $2.25 64In Stock	Mfr. Part No. CAB-09215 Mouser Part No 474-CAB-09215	SparkFun	Programmer Accessories This is a handy AVR programming cable that incorporates both the 10-pin and 6-pin ISP programming interfaces.Cable is about 12" long and mates with pins on 1/10in centers.		64In Stock	$2.25	Min.: 1 Mult.: 1	Programmer Accessories	Programming Cables
Display Development Tools 7-Segment Serial Display White COM-11629 SparkFun 1: $18.50 3In Stock	Mfr. Part No. COM-11629 Mouser Part No 474-COM-11629	SparkFun	Display Development Tools 7-Segment Serial Display White	Datasheet	3In Stock	$18.50	Min.: 1 Mult.: 1	Display Development Tools
LED Lighting Development Tools The PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs on three different channels. By default each channel is driven at 330mA; that current can be reduced by either presenting a COM-13705 SparkFun 1: $17.50 46In Stock 73Expected 02/11/2026	Mfr. Part No. COM-13705 Mouser Part No 474-COM-13705	SparkFun	LED Lighting Development Tools The PicoBuck LED Driver is an economical and easy to use driver that will allow you to control and blend three different LEDs on three different channels. By default each channel is driven at 330mA; that current can be reduced by either presenting a	Datasheet	46In Stock 73Expected 02/11/2026	$17.50	Min.: 1 Mult.: 1	LED Lighting Development Tools
Display Development Tools SparkFun Qwiic Alphanumeric Display - Red COM-16916 SparkFun 1: $7.95 24In Stock	Mfr. Part No. COM-16916 Mouser Part No 474-COM-16916	SparkFun	Display Development Tools SparkFun Qwiic Alphanumeric Display - Red Learn More about SparkFun qwiic alphanumeric display		24In Stock	$7.95	Min.: 1 Mult.: 1	Display Development Tools	Development Kits	I2C
Display Development Tools SparkFun Qwiic Alphanumeric Display - Blue COM-16917 SparkFun 1: $7.95 4In Stock	Mfr. Part No. COM-16917 Mouser Part No 474-COM-16917	SparkFun	Display Development Tools SparkFun Qwiic Alphanumeric Display - Blue Learn More about SparkFun qwiic alphanumeric display		4In Stock	$7.95	Min.: 1 Mult.: 1	Display Development Tools	Development Kits	I2C
Memory IC Development Tools SparkFun Qwiic EEPROM Breakout - 512Kbit COM-18355 SparkFun 1: $4.95 85In Stock	Mfr. Part No. COM-18355 Mouser Part No 474-COM-18355	SparkFun	Memory IC Development Tools SparkFun Qwiic EEPROM Breakout - 512Kbit Learn More about SparkFun qwicc eeprom breakout board 512kbit		85In Stock	$4.95	Min.: 1 Mult.: 1	Memory IC Development Tools	Breakout Boards	I2C
Display Development Tools SparkFun Qwiic Alphanumeric Display - White COM-18565 SparkFun 1: $7.95 2In Stock 10On Order	Mfr. Part No. COM-18565 Mouser Part No 474-COM-18565	SparkFun	Display Development Tools SparkFun Qwiic Alphanumeric Display - White Learn More about SparkFun qwiic alphanumeric display		2In Stock 10On Order On Order Ship Dates Mfr. No: COM-18565 Stock: 2 Can Dispatch Immediately On Order: 4 Expected 02/11/2026 6 Expected 05/11/2026 Factory Lead Time: 3 Weeks	$7.95	Min.: 1 Mult.: 1	Display Development Tools		I2C
Display Development Tools SparkFun Qwiic Alphanumeric Display - Green COM-18566 SparkFun 1: $7.95 4In Stock	Mfr. Part No. COM-18566 Mouser Part No 474-COM-18566	SparkFun	Display Development Tools SparkFun Qwiic Alphanumeric Display - Green Learn More about SparkFun qwiic alphanumeric displays		4In Stock	$7.95	Min.: 1 Mult.: 1	Display Development Tools	Display Shields	I2C
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 COM-21337 SparkFun 1: $6.50 14In Stock	Mfr. Part No. COM-21337 Mouser Part No 474-COM-21337	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		14In Stock	$6.50	Min.: 1 Mult.: 1	Power Management IC Development Tools	Breakout Boards
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 COM-23979 SparkFun 1: $16.50 7In Stock	Mfr. Part No. COM-23979 Mouser Part No 474-COM-23979	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		7In Stock	$16.50	Min.: 1 Mult.: 1	Power Management IC Development Tools	Development Kits
Temperature Sensor Development Tools LilyPad Temperature Sensor DEV-08777 SparkFun 1: $5.95 10In Stock	Mfr. Part No. DEV-08777 Mouser Part No 474-DEV-08777	SparkFun	Temperature Sensor Development Tools LilyPad Temperature Sensor Learn More about SparkFun lilypad temperature sensor		10In Stock	$5.95	Min.: 1 Mult.: 1	Temperature Sensor Development Tools
Interface Development Tools FTDI Basic Breakout 3.3V DEV-09873 SparkFun 1: $19.66 54In Stock	Mfr. Part No. DEV-09873 Mouser Part No 474-DEV-09873	SparkFun	Interface Development Tools FTDI Basic Breakout 3.3V Learn More about SparkFun breakout boards		54In Stock	$19.66	Min.: 1 Mult.: 1	Interface Development Tools
Audio IC Development Tools Music Instrument Shield DEV-10587 SparkFun 1: $39.95 9In Stock	Mfr. Part No. DEV-10587 Mouser Part No 474-DEV-10587	SparkFun	Audio IC Development Tools Music Instrument Shield Learn More about SparkFun arduino shields		9In Stock	$39.95	Min.: 1 Mult.: 1	Audio IC Development Tools