- Official Rust Support: The primary target for the
esp-rscommunity, ensuring 100% compatibility with the latest Rust toolchains. - RISC-V Architecture: Powered by a 32-bit single-core RISC-V processor (160MHz), offering modern efficiency and an open instruction set.
- Onboard Peripherals: Includes an I2C Temperature & Humidity sensor and an RGB LED, allowing for sensor-to-cloud testing without external wiring.
- Advanced Security: Features Secure Boot, Flash Encryption, and hardware cryptographic accelerators—essential for professional-grade Rust deployments.
- Dual Wireless Stack: Full support for 2.4GHz Wi-Fi and Bluetooth 5 (LE) with Long Range capabilities.
ESP32-C3-DevKit-Rust-1 Development Board – Official Training Kit by Espressif
| Microcontroller | ESP32-C3 (32-bit RISC-V Core) |
|---|---|
| Clock Speed | 160 MHz |
| Memory | 4MB SPI Flash, 400KB SRAM |
| Onboard Sensors | Temperature and Humidity (SHT4x or similar) |
| Visual Indicators | 1x User-programmable RGB LED |
| Connectivity | Wi-Fi 4 (802.11 b/g/n) & Bluetooth 5.0 (LE) |
| Power Supply | 5V via USB Type-C |
| USB-to-Serial | Integrated USB-Serial/JTAG Controller |
| Expansion | Dual-row pin headers for all I/O |


- Environment Setup: Install the Rust toolchain (via
rustup) and theesp-idf-templateoresp-generatetools as per the Espressif Rust Book. - Hardware Connection: Connect to your PC using a USB Type-C data cable. No external USB-to-Serial drivers are typically needed for modern OSs as it uses the chip’s internal JTAG/Serial controller.
- Compiling & Flashing:
- Use the command
cargo espflash flash --monitorto compile your Rust code and upload it to the board.
- Use the command
- Debugging: Utilize the built-in JTAG functionality for real-time debugging within VS Code or other Rust-supported IDEs.
Yes. While it is optimized for Rust, it is still a standard ESP32-C3 board. You can use it with Arduino or ESP-IDF as you would any other C3-DevKit.
Rust’s “ownership” model prevents common memory errors (like buffer overflows) that account for the majority of security vulnerabilities in C++ firmware. In 2026, this is a major factor in reducing long-term maintenance costs and improving device security.
No. The ESP32-C3 features an integrated USB-Serial/JTAG controller. You can flash and debug the board directly through the USB Type-C port without an external J-Link or ESP-Prog.
You can use the embedded-hal ecosystem. There are pre-existing “crates” (libraries) for the onboard I2C sensors available on crates.io.
No. The ESP32-C3 supports Wi-Fi 4 (802.11 b/g/n). For Wi-Fi 6 support in the RISC-V line, we recommend the ESP32-C6 series.
Yes, this board uses a high-efficiency onboard PCB antenna, which is sufficient for most indoor and laboratory training environments.







