DFRobot MicroSD Card Module for Arduino - SPI Frequency Adjustable Pulse Generator NE555 Module Select "Generic ESP8266 Module" or

Select "Generic ESP8266 Module" or "NodeMCU 1

magnetic door sensing

IR sensors work by detecting infrared radiation and converting it into an electrical signal

High-quality connector: High-quality connector

Size:45x30mm

DFRobot MicroSD Card Module for Arduino - SPI Frequency Adjustable Pulse Generator NE555 Module Select "Generic ESP8266 Module" orBuild Faster with the MicroSD card module for Arduino MicroSD card module for Arduino MicroSD Card Module adds removable storage to Arduino projects through a simple SPI interface. It is useful for logging sensor data, saving settings, and storing small files locally. It is a common choice for data loggers, counters, and projects that need stand alone storage. Important: Use the official DFRobot links below for wiring, sample code, downloads, and the