![]() ![]() Development Board STM32F103RET6 Development Board Series STM32F103RET6Resources on the board3.3/5.0/12V power input/output pinReset.You will need to edit `pins_MRR_ESPE.h` to define the `SD_DETECT_PIN`. Optional: Connect DET to an unused pin on the board. Connect SS on the adapter to IO5 on the board. Use jumper wires to connect SCK, MISO, and MOSI from the adapter to the respective pins on the board. Remove SD_EN jumper on the MRR ESPE board. ![]() The KILL pin is also optional.) If you want to use the SD card on the controller: 1. Then define `LCD_PINS_D5`, `LCD_PINS_D6`, and `LCD_PINS_D7` in `pins_MRR_ESPE.h`. (Optional: Connect D5, D6, D7 to unused native ESP32 pins on the MRR ESPE, like IO2, IO4, and IO15. Then, connect EXP1 and EXP2 on the adapter to EXP1 and EXP2 on the controller. To do so, connect EXP3_BRD to the LCD connector on the MRR ESPE. This adapter allows the MRR ESPE to use generic LCD12864 controllers (officially the RepRap full graphics smart controller). Then connect AUX1_SCRN to the screen (such as MKS TFT32).ĮXP3 to EXP1/2 adapter Adapter to allow use of RepRap full graphics smart controller Simply use an IDC cable to connect AUX1_BRD to the AUX1 connector on the board. ![]() Current version: v0.5rev1įixes issue with AUX1 port on MRR ESPE v0.5 This adapter board fixes MRR ESPE v0.5's issue with the TX/RX pins being swapped on the AUX1 connector. A 3D printer control board based on ESP32 This is a 3D printer control board based on the ESP32 microcontroller, which comes with built-in WiFi and BlueTooth. ![]()
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