This repository provides the hardware design, block diagrams, and schematics for the ESP32-C6 Multi-Sensor Board. The board integrates Wi-Fi/Bluetooth communication, motor driver control, and IMU sensor, making it suitable for IoT and robotics applications.
The ESP32-C6 Multi-Sensor Board includes the following features:
- Power Input: 5V @ 250mA via connector
- Battery Management:
- Battery Charger (max 200mA charging current)
- Voltage Regulator: Converts 4.2V to 3.3V
- Battery Level Monitoring via ADC
- ESP32-C6:
- Wi-Fi 6 and BLE 5.0 support
- GPIOs for control and communication
- I2C for peripherals
- DRV8830 Motor Driver:
- Controlled via I2C
- Outputs: Motor_P and Motor_N
- Supports motor currents up to 400mA
- IMU (ICM-42605):
- Accelerometer and Gyroscope
- Interrupt Pins: INT1 and INT2/FSYNC
- RGB LED: Controlled via 3 PWM GPIOs:
- GPIO10: Red Channel
- GPIO11: Green Channel
- GPIO12: Blue Channel
- External Button: GPIO Input for interrupts
| Pin Name | ESP32-C6 GPIO | Description | Function |
|---|---|---|---|
| +V_BAT | - | Battery Input Voltage | Power Supply |
| +3V3 | - | 3.3V Regulated Output | Power Supply |
| +V_POWER_IN | - | 5V Input | Power Supply |
| GND | - | Ground | Power Supply |
| ESP32_I2C_SCL | GPIO8 | I2C Clock | I2C Communication |
| ESP32_I2C_SDA | GPIO9 | I2C Data | I2C Communication |
| DRV_FAULTN | GPIO7 | Motor Driver Fault Interrupt | GPIO Input |
| Motor_P | - | Motor Driver Output Positive | Motor Control |
| Motor_N | - | Motor Driver Output Negative | Motor Control |
| ICM_INT1/INT | GPIO5 | IMU Interrupt Pin 1 | IMU Communication |
| ICM_INT2/FSYNC | GPIO6 | IMU Interrupt Pin 2 / Sync Pin | IMU Communication |
| LED_PWM_RED | GPIO10 | Red Channel of RGB LED | PWM Output |
| LED_PWM_GREEN | GPIO11 | Green Channel of RGB LED | PWM Output |
| LED_PWM_BLUE | GPIO12 | Blue Channel of RGB LED | PWM Output |
| BUTTON | GPIO4 | External Button Input | GPIO Input |
| VBAT_MEAS | GPIO3 | Battery Voltage Meas. 1:2 Ratio | ADC Input |
| VIN_MEAS | GPIO2 | Input Voltage Meas. 1:2 Ratio | ADC Input |
| ESP32_ENABLE | GPIO1 | Enable Pin for ESP32 | GPIO Control |
The schematics for the project are available:
- Top Page: High-level connectivity overview
- SoC Integration: ESP32-C6 Wifi/BT SoC
- Power Circuit: Battery, Charger, and Regulator design
- Sensors and GPIOs: ICM-42605, Button, and LED connections
Designed and documented by Ali Fatih Demir.