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DFR0654 Datasheet(PDF) 49 Page - DFROBOT |
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DFR0654 Datasheet(HTML) 49 Page - DFROBOT |
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49 / 122 page  2023/10/12 11:00 FireBeetle_Board_ESP32_E_SKU_DFR0654-DFRobot https://wiki.dfrobot.com/FireBeetle_Board_ESP32_E_SKU_DFR0654 49/122 SPI communication is used in many sensors because it offers a faster speed compared to I2C and doesn t have the issue of address conflicts. SPI is a high-speed, full-duplex, synchronous communication bus. The SPI of FireBeetle 2 ESP32-E can be configured to all I/O ports, and you can refer to the underlying code for usage (not recommended for beginners). To provide a better user experience, FireBeetle 2 ESP32-E is configured by default with IO18 (SCK), IO19 (MISO), and IO23 (MOSI) as the SPI interface, which works well with Arduino. Hardware Preparation: FireBeetle 2 ESP32-E (https://www.dfrobot.com/product-2195.html) (SKU: DFR0654) ×1 Gravity: I2C OLED-128x64 Display (https://www.dfrobot.com/product-1576.html)（SKU: DFR0486）×1 Software Preparation: Download GDL library: https://github.com/cdjq/DFRobot_GDL (https://github.com/cdjq/DFRobot_GDL) Connection Diagram: |
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