RISC-V Core
Open-source 32-bit RISC-V architecture with extensibility
Bluetooth 5.0
Bluetooth LE 5.0 with long range and coded PHY support
Cost-Effective
Optimized for cost-sensitive high-volume IoT products
Secure by Design
Secure boot, flash encryption, and trusted execution environment
ESP32-C3 is a single-core Wi-Fi and Bluetooth 5 (LE) microcontroller based on the open RISC-V architecture. It provides a balanced feature set for cost-sensitive IoT applications.
Technical Specifications
Processor
RISC-V Single-Core @ 160MHz
Flash Memory
4MB
RAM
400KB SRAM
GPIO Pins
22 pins
Voltage
3.3V
Features
WiFi 802.11 b/g/n
Bluetooth 5.0 + BLE
RISC-V Architecture
Low Power
Interfaces
UARTSPII2CI2SADC
Products & Variants
Modules
- ESP32-C3-WROOM-02
- ESP32-C3-MINI-1
DevKits
- ESP32-C3-DevKitM-1
Resources
Popular Firmwares
ESP-IDF
Official development framework
Rust
Rust embedded development
Zephyr RTOS
Scalable real-time OS