Prototyping Breakout Boards

SparkFun

PCA9306 Level Translator Breakout (BOB-11955)

SparkFun

DeadOn RTC - DS3234 Breakout (BOB-10160)

Adafruit

SPI Non-Volatile FRAM Breakout - 64Kbit / 8KByte (ID: 1897)

SparkFun

LED Driver Breakout - LP55231 (BOB-13884)

Monk Makes

GPIO Adapter for Raspberry Pi 400

SparkFun

SparkFun Real Time Clock Module - RV-1805 (Qwiic) (BOB-14558)

Arduino

Arduino MKR Grove Connector Carrier

SparkFun

Si4703 FM Tuner Basic Breakout (BOB-11083)

Generic / OEM

LED Tactile Button Breakout

SparkFun

Energy Harvester - LTC3588 Breakout (BOB-09946)

Sparkfun Electronics

Buck Regulator Breakout - 3.3V (AP63203)

Adafruit

ATSAMD09 Breakout with seesaw (ID: 3657)

SparkFun

SOIC to DIP Adapter 20-Pin (BOB-00495)

Kitronik

Terminal Block Breakout for BBC micro:bit

Sparkfun Electronics

2D Barcode Scanner Breakout

Generic / OEM

Teensy Prop Shield - LC - Low Cost (no Motion Sensors)

Sparkfun Electronics

Buck Regulator Breakout - 5V (AP63357)

Sparkfun Electronics

Linear 3D Hall-Effect Sensor - TMAG5273 (Qwiic)

Adafruit

ATtiny1616 Breakout with seesaw - STEMMA QT / Qwiic

Adafruit

PCA9546 4-Channel I2C Multiplexer - TCA9546A Compatible

Cool Components

Teensy LED Controller

Sparkfun Electronics

Photodetector Breakout - MAX30101 (Qwiic)

Arduino

Arduino MKR CAN Shield

Arduino

Arduino MKR Mem Shield