The ESP32-C3 DevKitM-1 is a powerful, low-cost IoT development board featuring Espressif’s ESP32-C3-MINI-1-N4 module, powered by a RISC-V 32-bit single-core processor at up to 160 MHz. It integrates 2.4 GHz Wi-Fi and Bluetooth 5 LE connectivity, offering high RF performance, robust security features, and a compact form factor ideal for prototyping and product development.

Features:

• Processor: ESP32-C3FN4, RISC-V 32-bit single-core @ 160 MHz

• Memory: 384 KB ROM, 400 KB SRAM, 4 MB SPI Flash

• Wireless:

  • Wi-Fi: IEEE 802.11 b/g/n (2.4 GHz)

  • Bluetooth 5 LE & Bluetooth Mesh support

• Security:

  • Secure Boot (RSA-3072)

  • Flash Encryption (AES-128-XTS)

  • Hardware accelerators for cryptographic algorithms

  • Digital Signature & HMAC modules

• I/O: 22 programmable GPIO pins, supports SPI, I²C, UART, PWM, ADC, and more

• Connectivity Options:

  • Dual USB-C ports (native USB and CH340 UART bridge)

  • PCB antenna for optimal wireless performance

• On-Board Peripherals:

  • RGB WS2812 addressable LED on IO8

  • Power LED

  • Reset button & User/Firmware button

• Size: Compact 35.6 × 30 mm for breadboard compatibility

• Power:

  • 5 V via USB-C

  • Circuit operating voltage: 3.0 – 3.6 V

Special Advantages:

• Dual USB-C Design: One port connects directly to the ESP32-C3 USB peripheral; the other connects via a CH340 USB-UART bridge for serial debugging.

• Mesh Networking Ready: Supports Wi-Fi Mesh and Bluetooth Mesh for extended coverage.

• Industrial-Grade Reliability: High-temperature tolerance makes it suitable for lighting control, automation, and industrial IoT applications.

• Rich Development Ecosystem: Fully compatible with ESP-IDF and Arduino IDE, leveraging Espressif’s mature IoT software framework.

Applications:

• IoT prototypes and smart home devices

• Wireless sensors and data loggers

• BLE beacons and Bluetooth mesh networks

• Industrial automation controllers

• LED lighting and RGB control systems

Comparison: