Reference
Last revision 2025/12/10
The article provides an overview of the DFRobot_GDL Library, its SPI communication protocol, and compatibility with various microcontrollers, facilitating easy data display from SD cards.
Library
About how to install the library?
Communication Protocol Description
The product, pertaining to Breakout module, uses SPI communication method and on-board GDI interface, making wiring easier so that what read from SD card can be easily displayed.
Interface: SPI
API Description
DFRobot_GDL API Interface Functions
Compatibility Testing
| MCU | Pass | Miss | NO Test | Special Concern |
|---|---|---|---|---|
| FireBeetle-ESP32 | √ | |||
| FireBeetle-ESP8266 | √ | |||
| Arduino Uno | √ | |||
| Leonardo | √ | |||
| Mega2560 | √ | |||
| Arduino M0 | √ |
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