ESP32-C3 Super Mini

ESP32-C3 Super Min, I bought a few of these from AliExpress.

  • SoC: ESP32-C3

features

  • 32-bit RISC-V single-core processor, up to 160MHz
  • 384KB ROM
  • 400KB SRAM (16KB for cache)
  • 8KB SRAM in RTC
  • 22× programmable GPIOs
  • 3× SPI
  • 2× UART
  • 1× I2C
  • 1× I2S
  • 1× TWAI
  • 2× 12-bit SAR ADCs, up to 6 channels

wireless

  • IEEE 802.11 b/g/n-compliant
  • bluetooth 5, Bluetooth mesh

board seen from component side, USB type-C connector up

left side

  • GPIO5 ADC2 SCL SPI_MISO
  • GPIO6 SPI_MOSI
  • GPIO7 SPI_SS
  • GPIO8 (strapping) LED (Blue) - R5k1 - GND (+ 10k - 3V3)
  • GPIO9 (strapping) BOOT SCL
  • GPIO10
  • GPIO20 U0RXD (Serial0)
  • GPIO21 U0TXD (Serial0)

right side

  • 5V (VBUS)
  • GND
  • 3V3
  • GPIO4 ADC1 SDA SPI_SCK
  • GPIO3
  • GPIO2 (strapping)
  • GPIO1 U1RXD (Serial1)
  • GPIO0 U1TXD (Serial1)

back to microcontrollers page.

Links

Espressif ESP32-C3, C3 Errata, C3 Hardware Design Guidelines, Espressif KiCad Library,

Embedded Rust on Espressif,

ESPBoards ESP32 C3 Super Mini,

Github microrobotics - ESP32-C3 Super Mini V2, foxjony/esp32-c3, firemaple0/ESP32-C3SUPERMINI, CJ0206/ESP32-C3_SuperMini, ESP32 C3 SuperMini for KiCad, ESP32-CE_HTTPS_Thermometer, Tutorial: ESP32-C3 Super Mini, pioarduino,

History

2025-10-12: I created this page.