Ai-Thinker ESP32-C3-12F Wi-Fi + BLE Module


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Approx Restocking Date: 25 to 30 Days
SKU: 1020298
  1. Model Name: ESP-C3-12F
  2. Package: SMD-22
  3. Antenna: On-board PCB antenna/IPEX
  4. Frequency Range: 2400 ~ 2483.5MHz
  5. Power supply range: Voltage 3.0V ~ 3.6V,Electrical current >500mA
  6. Support Interface: UART/GPIO/ADC/PWM/I2C/I2S
  7. UART Rate: Support 110 ~ 4608000 bps, default 115200 bps


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Brand: Ai-Thinker
Category: Ai Thinker ESP Modules
Tags: ESP32-C3F, ESP-C3-12F

ESP-C3-12F is a Wi-Fi module developed by Ai-Thinker. This module core processor ESP32-C3 is a Wi-Fi+ BLE combination of system-level chips (SoC), designed for various applications such as the internet of things (IoT), mobile devices, wearable electronics, smart homes, etc.

ESP32-C3 with industry-leading low power and RF performance, supporting Wi-Fi IEEE802.11b/g/n agreements and BLE 5.0. ESP32-C3 chip is equipped with 32-bit RISC-V single-core processor, operating frequency up to 160 MHz. The chip is support to have secondary development without using other microcontrollers or processors. The chip has a built-in 400 KB SRAM,384 KB ROM,8KB RTC SRAM.

Also, the chip support external Flash while it has built-in 4Mbit Flash. ESP32-C3 chip supports a variety of low-power consumption working states, which can meet the power consumption requirements of various application scenarios. The chip’s unique features such as fine clock gating function, dynamic voltage clock frequency adjustment function, and RF output power adjustable function can achieve the best balance between communication distance, communication speed, and power consumption.

ESP-C3-12F provides a wealth of peripheral interfaces, including UART,PWM,SPI,I2S,I2C,ADC,temperature sensors and there are 15 GPIOs.

ESP-C3-12F has a variety of unique hardware safety mechanisms. The hardware encryption accelerator supports AES、SHA and RSA algorithms. Among them, RNG, HMAC, and Digital Signature modules provide more security features. Other security features include flash encryption and secure boot signature verification, etc. The perfect security mechanism enables the chip to be perfectly applied to various encryption products.

ESP-C3-12F module supports low-power Bluetooth:Bluetooth5 and Bluetooth mesh.

Bluetooth rate support: 125Kbps, 500Kbps, 1Mbps, 2Mbps. Support broadcast extension, multi-broadcasting, channel selection.


  1. Complete Wi-Fi 802.11b/g/n,1T1R mode data rate up to 150Mbps.
  2. Support BLE5.0 and rate support:125Kbps,500Kbps,1Mbps,2Mbps.
  3. 32-bit RISC-V single-core processor supports a clock frequency of up to 160 MHz, with 400 KB SRAM,384 KB ROM,8KB RTC SRAM.
  4. Support UART/PWM/GPIO/ADC/I2C/I2S interface, temperature sensor, pulse counter.
  5. SMD-22 package.
  6. Support multiple sleep modes, deep sleep electric current is less than 5uA.
  7. UART rate up to 5Mbps.
  8. Support STA/AP/STA+AP mode and mix mode.
  9. Support Smart Config (APP)/AirKiss (WeChat) of Android and IOS One-click network configuration.
  10. Support UART port local upgrade and remote firmware upgrade (FOTA).
  11. General AT commands can be better understand.
  12. Support secondary development, integrated Linux development environment.

Package Includes:

1 x Ai-Thinker ESP32-C3-12F Wi-Fi + BLE Module

SKU: 1020298 Category: Tags: ,

ESP32-C3F/ ESP-C3-12F



Antenna Type

On-board PCB antenna/IPEX

Frequency Range

2400 ~ 2483.5MHz

Power Supply Range

3.0V ~ 3.6V




Support 110 ~ 4608000 bps ,default 115200 bps

Bluetooth Version

BLE 5.0



SPI Flash


Support Interface


Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.015 kg
Shipping Dimensions 3 × 2 × 1 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China