SD Adaptor, to use SD flash cards with Teensy, Arduino and other AVR boards
Arduino Micro SD Card Module Tutorial - How SD Card Module Works and How to use it with Arduino
ESP32: Guide for MicroSD Card Module Arduino | Random Nerd Tutorials
MicroSD Card Module - ProtoSupplies
SD Card Tutorial for Arduino, ESP8266 and ESP32
Guide to SD Card Module with Arduino | Random Nerd Tutorials
Micro SD Adapter SPI Datasheet : r/beneater
Amazon.com: Pzsmocn Micro-SD/TF Memory Card Reader Adapter Slot Socket Module (2 Pcs) Compatible with Raspberry Pi and Arduino Board. for Smart Homes, Offices, 3D Printer and Teaching Interact with Robots. : Electronics