Description I2C Expansion Port Shield for Arduino Nano USB Microcontroller Plugs into hundreds of I2C devices USB Powered This I2C Shield for Arduino Nano makes it easy to plug any devices directly into your Nano. It allows numerous possibilities for sensors, relay controllers, digital I/O, analog to digital conversion
Motoron M3S256 Triple Motor Controller Shield Kit for Arduino (w/ Connectors) - RobotShop
NANO I/O Expansion Sensor Module Shield Board I2C PWM Servo Analog AREF for Arduino R3 Nano V3.0 3.3V Output ONE - AliExpress
Multifunction Nano UNO Expansion Board for Arduino - RobotShop
Whadda Terminal Adapter for Arduino Nano (WPSH604) - RobotShop
Description SparkFun Qwiic Shield for Arduino Nano Offers Logic Shifting Circuit and IOREF Jumper Arduino Nano and Qwiic compatible Features I2C
SparkFun Qwiic Shield for Arduino Nano
I2C Shield for Arduino Nano - RobotShop
I / O Grove Base Shield for Arduino - RobotShop
Description Terminal Block Shield for Arduino Mega Offers stable and reliable connection Adopts terminal blocks to secure wires Easy wiring VIN Input
Terminal Block Shield for Arduino Mega
RS232 Shield For Arduino - RobotShop
I / O Grove Base Shield for Arduino - RobotShop
DescriptionExpansion board for Arduino Uno R3 USB MicrocontrollerMakes semi-permanent prototyping simpleFeatures a reset button and a SOIC-14 breakout
Arduino Prototyping Shield