3.3V Expansion Prototype Shield I/O IO Extension Board Module for Arduino Nano V3.0 3.0 IO IIC I2C Interface DC Power Supply PWM: Amazon.com: Industrial & Scientific
Amazon.com: Arduino Nano 33 IoT with Headers [ABX00032] : Electronics
Arduino Nano 33 IoT — Arduino Official Store
Amazon.com: Emakefun Terminal Expansion Adapter Board Compatible with Arduino Nano V3.0 AVR ATMEGA328P with NRF2401+ Expansion Interface, DC Power Supply Interface (5PCS) : Electronics
Amazon.com: DORHEA for Nano V3.0 ATmega328P Nano Board CH340 5V 16M Microcontroller Board, Compatible with Arduino Electronics Development Board Nano 328P Nano 3.0 : Electronics
Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Arduino Nano Board - US Plug with Extension and ON/Off Switch : Electronics
Amazon.com: AITRIP 5pcs for Nano Board CH340/ATmega+328P Without USB Cable, Type-C Connection Compatible with Arduino Nano V3.0,Welded Module : Electronics