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Product Features:
1. Ultra-Compact Design
* Single-sided surface mount design, making it easy to integrate into space-limited embedded devices.
* Lightweight and portable, suitable for a wide range of compact IoT projects.
2. Powerful Core Performance
* Equipped with a 32-bit RISC-V CPU clocked at up to 160 MHz, supporting floating-point operations (FPU).
* Offers 400 KB SRAM and external QSPI flash expansion, enabling multitasking capabilities.
3. Excellent Wireless Communication
* Supports Wi-Fi (IEEE 802.11 b/g/n) for stable and fast wireless connectivity.
* Features Bluetooth 5.0 with BLE (Low Energy) and long-range mode, allowing flexible device interconnection.
* External antenna: Enhances signal strength and coverage for use in complex wireless environments.
4. Rich Interfaces and Expansion Options
* Provides 11 GPIO pins supporting digital I/O and PWM output.
* Includes 4 ADC pins for analog input, suitable for connecting sensors.
* Supports UART, I2C, and SPI protocols for versatile communication and expansion.
5. Convenient Development and Debugging
* Onboard reset button and bootloader button for streamlined development and debugging.
* Compatible with multiple development environments, including Arduino IDE, PlatformIO, and ESP-IDF, making it accessible to both beginners and advanced developers
Specifications:
* CPU: ESP32-C3, 32-bit RISC-V single-core processor
* Operating Frequency: 160 MHz
* Main Frequency: 160 MHz
* SRAM: 400 KB
* ROM: 384 KB
* ADC: 2 x 12-bit SAR ADC, 6 channels
* WiFi: 802.11 b/g/n protocol, 2.4 GHz, supports Station mode, SoftAP mode, SoftAP + Station mode, and promiscuous mode
* Bluetooth: BT 5.0
* Power Consumption: Deep sleep power consumption approximately 43 µA
* On-chip Resources: 400 KB SRAM, 384 KB ROM
* Interfaces: 1 x I2C, 1 x SPI, 2 x UART, 11 x GPIO (PWM), 4 x ADC
* Design: Single-sided components, surface-mount design
* Form Factor: Compact and classic, suitable for wearable devices and small projects
* Security Features: Supports AES-128/256, Hash, RSA, HMAC, digital signature, and secure boot with cryptographic hardware acceleration
* Onboard LED: Blue LED connected to GPIO8 pin
* Dimensions: 22.50 x 37.40 mm