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README.md

RB3204-RBCX

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RBCX is a universal controller for hobby robots. It is a successor of ]]>RB3201-RBControl]]>. It is used in our robot ]]>Robotka]]> on ]]>Robo camp 2020]]>.

<td><img src="./docs/media/rbcx-front.png" width="49%" /></td>
<td><img src="./docs/media/rbcx-back.png" width="49%" /></td>

RBCX

Features

  • 4 DC motors with encoders
  • 4 servos with feedback (via ADC)
  • 4 LEDs
  • buttons with the gamepad interface
  • Smart Servo connector
  • piezo buzzer
  • RTC
  • ultra-sonic distance sensor connector
  • I2C connectors
  • OLED display connector
  • accelerometer and gyroscope
  • micro USB and USB-C connectors
  • battery connector (without charging circuit)

RBCX

Hardware

Board is based on STM32F103VC microcontroller and ESP32-DevKitC.

STM32 is used for motor control and other low-level tasks. ESP32 is used for high-level tasks like communication with mobile app and sending commands to STM32 via UART.

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  • 72 MHz, 32bit ARM Cortex-M3
  • 48 KiB RAM, 256 KiB Flash
  • 5x UART, USB
  • Debug support (with ST-Link)
  • Programmable in C++, with FreeRTOS and stm32cube framework, in Platform.io
  • Our ]]>bootloader]]> based on ]]>sboot_stm32]]>.

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