RoboHeart Hercules Development Board
Code name: roboheart_hercules
RoboHeart Hercules development board is based on esp32 microcontroller and uses xtensa architecture. This board has a maximum CPU frequency of 240 MHz and a flash size of 4MB.
About RoboHeart Hercules
ESP32-powered robotics board with motor drivers and sensor inputs — great for educational robotics kits.
Technical Specifications
🛰️ Connectivity
🧠 Microcontroller
✨ Features
- 20 digital IO pins
- 16 external interrupt pins
- 16 analog input pins
- 21 PWM pins
RoboHeart Hercules Useful Links
RoboHeart Hercules Pins Mapping Arduino IDE
Below you can find the RoboHeart Hercules pinout. This development board provides 20 digital IO pins, out of which 16 can be used as external interrupt pins, 16 as analog input pins and 21 pins have Pulse-Width Modulation (PWM).
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 0 | A11 | BUTTON_ROBOHEART G0 | ||
| 1 | PWM | G1 | ||
| 2 | A12 | PWM | SLEEP_MOTOR_ABC G2 | |
| 3 | PWM | G3 | ||
| 4 | A10 | PWM | MOTOR_C_IN2 | |
| 5 | PWM | SS G5 | ||
| 12 | A15 | PWM | GSM_PWRKEY G12 | |
| 13 | A14 | PWM | GSM_DTR G13 | |
| 14 | A16 | PWM | LED_ROBOHEART GSM_RTS | |
| 15 | A13 | PWM | GSM_CTS G15 | |
| 16 | PWM | RXD1 RXD2 G16 | ||
| 17 | PWM | TXD1 TXD2 G17 | ||
| 18 | PWM | SCK G18 | ||
| 19 | PWM | MISO G19 | ||
| 21 | PWM | IMU_SDA SDA G21 | ||
| 22 | PWM | IMU_SCL SCL G22 | ||
| 23 | PWM | MOSI G23 | ||
| 25 | A18 | PWM | MOTOR_A_IN1 G25 DAC1 | |
| 26 | A19 | PWM | MOTOR_A_IN2 G26 DAC2 | |
| 27 | A17 | PWM | MOTOR_B_IN1 | |
| 32 | A4 | PWM | MOTOR_B_IN2 | |
| 33 | A5 | PWM | MOTOR_C_IN1 | |
| 34 | A6 | RX G34 | ||
| 35 | A7 | TX G35 | ||
| 36 | A0 | BATTERY_PIN G36 | ||
| 39 | A3 |
Default Tools
| Uploader tool | esptool_py |
| Bootloader address | 0x1000 |
| Flash mode | dio |
| Boot mode | dio |
| Maximum upload size | 1280 Kb (1310720 B) |
| Maximum data size | 320 Kb (327680 B) |
The RoboHeart Hercules development board by default uses esptool_py uploader tool, network uploader tool for Over-the-air (OTA) uploads and bootloader tool. The bootloader starts at address "0x1000". Flash mode and boot mode for RoboHeart Hercules development board by default is dio and dio respectively.
