NodeMCU ESP32-C3 RISC-V based development boards, supports Wi-Fi and BLE

NodeMCU ESP32-C3 RISC-V based development boards, supports Wi-Fi and BLE

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We recently saw that Ai-Thinker released modules that are based on the ESP32 MCU and support Wi-Fi and BLE 5.0 wireless connectivity. Ai-Thinker has been at the forefront in designing modules on the famous ESP microcontrollers by manufacturing the first series of modules on the ESP8266. Recently, CNX-Software spotted few development boards, integrating the Ai-Thinker modules on ESP32-C3.

One of the NodeMCU boards, the NodeMCU ESP32-C3S kit is built around the ESP32-C3S module featuring a RISC-V 32-bit single-core processor that is clocked up to the frequency of 160MHz with 400 KB SRAM, 384 KB ROM, and 8KB RTC SRAM. The onboard ESP32-C3S module also supports IEEE 802.11b/g/n along with BLE 5.0 wireless connectivity.

Features of ESP32-C3S:

  • CPU: RISC-V 32-bit single-core processor @ 160MHz
  • Memory: 400 KB SRAM and 8KB RTC SRAM
  • Storage: 384 KB ROM, 4MByte flash
  • Wireless Connectivity: IEEE 802.11b/g/n and BLE 5.0
  • Interface: UART/GPIO/ADC/PWM/I2C/I2S
  • Power supply: 3.3V

More details on the Ai-Thinker module that is fitted on the NodeMCU ESP32-C3S Kit are available in the official datasheet provided by Ai-Thinker. You can buy the board on Aliexpress priced at $8.30.

There are several other boards with one other that caught our eye are the NodeMCU ESP-C3-01M kit that is powered by the 32-bit RISC-V single-core processor that speeds up to 160MHz. The module ESP32-C3-01M also does not support classic Bluetooth connectivity but comes with a BLE 5.0 that can speed up to 2Mbps.

NodeMCU ESP32-C3-01M Kit

Features of ESP32-C3-01M:

  • CPU: 32-bit RISC-V single-core processor @ 160MHz
  • Memory: 400 KB SRAM and 8KB RTC SRAM
  • Storage: 384 KB ROM, 4MByte flash
  • Wireless Connectivity: IEEE 802.11b/g/n, 1T1R mode data rate up to 150Mbps and BLE 5.0 speeds 125Kbps, 500Kbp, 1Mbps, 2Mbps
  • Interface: UART/PWM/GPIO/ADC/I2C/I2S
  • Power supply: 5V

More details on the Ai-Thinker module ESP32-C3-01M are available in the official datasheet.

You can also shop for the NodeMCU ESP32-C3-01M Kit at $8.30 on Aliexpress.

There are other Ai-Thinker modules, NodeMCU ESP-C3-12F kit and ESP-C3-13 kit available in the store.

About Abhishek Jadhav

Abhishek Jadhav is an engineering student, freelance tech writer, RISC-V Ambassador, and leader of the Open Hardware Developer Community.

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