VDRIVE2 is possibly the easiest solution for adding a USB Flash Drive interface to PICAXE projects. Only four signal lines plus 5V supply and ground are required to be connected. Data can be saved in text files (e.g. a CSV file) for later analysis on a computer.
Serial UART or SPI connection to the PICAXE chip. Its neat enclosure makes this module suitable for incorporation into finished product designs.
See the VDRIVE2 Create for example program.
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