Editing: ESP32-C3-MINI-1

Field: AI Skill Technical Reference

# ESP32-C3-MINI-1 — WiFi + BLE 5.0 RISC-V MCU module, 160MHz, 4MB Flash

**Manufacturer:** Espressif
**Package:** Module
**LCSC:** C2838502

## Description

The ESP32-C3-MINI-1 is a compact WiFi and BLE 5.0 module built around a single-core RISC-V processor at 160MHz. Low-cost alternative to ESP32 for simpler IoT applications.

## Pin Configuration

Package: Module

- Pin 1: GND — Ground
- Pin 2: GND — Ground
- Pin 3: 3V3 — Power supply 3.3V
- Pin 4: NC — Not connected
- Pin 5: IO2 — GPIO2 / ADC1_CH2 / FSPIQ
- Pin 6: IO3 — GPIO3 / ADC1_CH3
- Pin 7: NC — Not connected
- Pin 8: EN — Chip enable, active high
- Pin 9: NC — Not connected
- Pin 10: NC — Not connected
- Pin 11: GND — Ground
- Pin 12: IO0 — GPIO0 / ADC1_CH0 / XTAL_32K_P
- Pin 13: IO1 — GPIO1 / ADC1_CH1 / XTAL_32K_N
- Pin 14: GND — Ground
- Pin 15: NC — Not connected
- Pin 16: IO10 — GPIO10 / FSPICS0
- Pin 17: NC — Not connected
- Pin 18: IO4 — GPIO4 / ADC1_CH4 / FSPIHD
- Pin 19: IO5 — GPIO5 / ADC2_CH0 / FSPIWP
- Pin 20: IO6 — GPIO6 / FSPICLK
- Pin 21: IO7 — GPIO7 / FSPID
- Pin 22: IO8 — GPIO8
- Pin 23: IO9 — GPIO9 / Boot
- Pin 24: NC — Not connected
- Pin 25: NC — Not connected
- Pin 26: IO18 — GPIO18 / USB_D-
- Pin 27: IO19 — GPIO19 / USB_D+
- Pin 28: NC — Not connected
- Pin 29: NC — Not connected
- Pin 30: RXD0 — GPIO20 / UART0_RX
- Pin 31: TXD0 — GPIO21 / UART0_TX
- Pin 32: NC — Not connected
- Pin 33: NC — Not connected
- Pin 34: NC — Not connected
- Pin 35: NC — Not connected
- Pin 36: NC — Not connected
- Pin 37: NC — Not connected
- Pin 38: NC — Not connected
- Pin 39: NC — Not connected
- Pin 40: NC — Not connected
- Pin 41: NC — Not connected
- Pin 42: NC — Not connected
- Pin 43: NC — Not connected
- Pin 44: NC — Not connected
- Pin 45: NC — Not connected
- Pin 46: NC — Not connected
- Pin 47: NC — Not connected
- Pin 48: NC — Not connected
- Pin 49: NC — Not connected
- Pin 50: NC — Not connected
- Pin 51: NC — Not connected
- Pin 52: NC — Not connected
- Pin 53: GND — Ground (Exposed Pad)

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