Inkplate 10 MicroPython - Read and write

The onboard microSD card can be used for reading and writing to data files. This example demonstrates how to create a text file, write to it, and then read the contents back.

Writing and reading a file

Before running this example, make sure your SD card is formatted as FAT16, FAT32 or exFAT and inserted into Inkplate 10. To learn how to format the microSD card click here

from inkplate10 import Inkplate
import os

inkplate=Inkplate(Inkplate.INKPLATE_1BIT)
inkplate.begin()
inkplate.initSDCard(fastBoot=True)

#List files on the SD card
print("FIles on SD:",os.listdir("sd"))

#Writing to a file
with open("sd/example.txt","w")as f:
    f.write("Hello from Inkplate!\n")
    f.write("this text is stored on the SD card.\n")
print("Data written to sd/example.txt")

#Reading from the same file
with open("sd/example.txt","r") as f:
    content=f.read()
print("File contents:")
print(content)

open()

Open a file from the microSD card for reading or writing.

Returns type: File object

Returns value: File object that can be read from or written to.

Function parameters:

Type	Name	Description
`String`	`path`	Path to the file. Must begin with sd/ (without a leading slash).
`String`	`mode`	Defines what action will happen to specified file.

ℹ️

All available mode options:

Mode	Meaning
`"r"`	Read (default). Opens a file for reading. Errors if the file does not exist.
`"a"`	Append. Opens a file for appending. Creates the file if it does not exist.
`"w"`	Write. Opens a file for writing. Creates the file if it does not exist (overwrites if it does).
`"x"`	Create. Creates a new file. Errors if the file already exists.
`"t"`	Text mode (default). Reads/writes strings.
`"b"`	Binary mode. Reads/writes raw bytes (e.g., images, data files).

Example output

Writing and reading a file​

open()

Writing and reading a file