First, open the “Datalogger” example sketch (File > Examples > SD > Datalogger) and upload it to Arduino. This sketch reads the value from three analog input points and writes it to a text file. Once ...

[Kevin] attached a MicroSD breakout board to an Arduino-compatible clone. When the clone starts up, it searches the SD card for a file called ‘program.hex.’ This file is sent over to the ...

Makers, developers and hobbyists looking for a quick way to program RFID cards might be interested in a new Arduino compatible RFID reader development board called the RFID123 which has been ...

“I made a real SD card sized full programmable (indeed, Arduino pro compatible) small computer board,” said the developer, who calls himself ... an international audience of 200,000 people each month ...

Meet the Arduino Compatible RFID Reader Module. It can hold card data for up to five cards, takes seconds to program, and holds card data in EEPROM memory, which means that the cards are saved ...

Arduino compatible Teesny Cortex-M7 dev boards now ... as well as a micro SD card socket. There are a total of 55 IO pins. 4.0 (left) has 2Mbyte flash, no Ethernet, USB ... an international audience ...

A few days ago, one of [Severin]’s SD cards died on him, Instead of trashing the card, he decided to investigate what was actually wrong with the card and ended up recovering most of the data… ...