ESP32C3SuperMini is an IoT mini development board based on the Espressif ESP32-C3 WiFi/Bluetooth dual-mode chip. ESP32-C3 is a 32-bit RISC-V CPU that includes an FPU (Floating Point Unit) that can perform 32-bit single precision operations and has powerful computing capabilities. It has excellent RF performance and supports IEEE 802.11 b/g/n WiFi and Bluetooth 5 (LE) protocols. This board comes with an external antenna that can enhance the signal strength for wireless applications. It also has a compact and exquisite appearance combined with a single-sided surface mount design. It is equipped with rich interfaces, with 11 digital I/O available as PWM pins and 4 analog I/O available as ADC pins. It supports four serial interfaces: UART, I2C, and SPI. There is also a small reset button and a bootloader mode button on the board.
Based on the above characteristics, ESP32C3SuperMini is positioned as a high-performance, low-power, and cost-effective IoT mini development board, suitable for low-power IoT applications and wireless wearable applications.
Product parameters
Powerful CPU: ESP32-C3, 32-bit RISC-V single core processor, running at a frequency of up to 160 MHz
WiFi: 802.11b/g/n protocol, 2.4GHz, supports Station mode, SoftAP mode, SoftAP+Station mode, hybrid mode
Bluetooth: Bluetooth 5.0
Ultra low power consumption: Deep sleep power consumption of about 43 μ A
Rich board resources: 400KB SRAM, 384KB ROM with built-in 4Mflash.
Chip model: ESP32C3FN4
Ultra small size: as small as the thumb (22.52x18mm) with a classic appearance, suitable for wearable devices and small projects
Reliable security features: support AES-128/256, hash, RSA, KBC, digital signature, and secure boot encryption hardware accelerator
Rich interfaces: 1xI2C, 1xSPI, 2xUART, 11xGPIO (PWM), 4xADC
Single sided components, surface mount design
Onboard LED blue light: GPO8 pin
If external power supply is required, simply connect the external power supply+level to the 5V position and GND to the negative terminal. (Supports 3.3-6V power supply). Remember that when connecting to an external power source, USB cannot be connected, and only one can be selected between USB and external power supply.
Enter download mode: Press and hold the BOOT button on ESP32C3, then press the RESET button, release the RESET button, and then release the BOOT button. At this point, ESP32C3 will enter download mode. (Every time you connect, you need to re-enter the download mode. Sometimes, if you press it once, the port may become unstable and disconnect. You can determine this by recognizing the sound on the port.)
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