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ESP32-C3 Super Mini USB-C Development Board
160 MHz RISC-V · 4 MB Flash · Wi-Fi · Bluetooth 5 LE · Native USB Serial/JTAG
£3.31
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32-bit RISC-VCPU
Up to 160 MHzClock
4 MBFlash
400 KBSRAM
2.4 GHz Wi-FiWireless
Bluetooth 5 LEBluetooth
Product overview
A compact ESP32-C3 board for projects where space and cost matter. It combines a 160 MHz RISC-V processor, Wi-Fi, Bluetooth LE and native USB programming in a small footprint that works particularly well for simple sensor nodes and ESPHome devices.
Ideal for
Compact ESPHome nodes
Home Assistant sensors
MQTT & IoT projects
Wireless monitoring
Wearables & compact builds
Small robotics projects
Technical specifications
| Processor | ESP32-C3 / 32-bit single-core RISC-V |
|---|---|
| Processor speed | Up to 160 MHz |
| Flash memory | 4 MB |
| SRAM | 400 KB |
| Wi-Fi | 2.4 GHz IEEE 802.11 b/g/n |
| Bluetooth | Bluetooth 5 Low Energy |
| USB | USB-C with native USB Serial/JTAG |
| Logic level | 3.3 V |
| Exposed GPIO | 13 GPIO signals on the common Super Mini format |
| ADC | 6 exposed ADC-capable pins; 12-bit SAR ADC hardware |
| Interfaces | GPIO, PWM, ADC, I²C, SPI, UART, TWAI/CAN-compatible |
| Frameworks | Arduino IDE, ESP-IDF, PlatformIO, MicroPython, ESPHome |
Good to know
- Bluetooth Classic is not supported; this board uses Bluetooth LE.
- Headers are supplied loose/unsoldered on the current listing.
- Use a data-capable USB-C cable for programming.
Compare ESP32 boards
| Board | CPU | Memory | Bluetooth | Best for |
|---|---|---|---|---|
| ESP32-C3 Super Mini | 160 MHz RISC-V | 4 MB Flash | BLE | Compact IoT / ESPHome |
| ESP32-WROOM-32 | Dual-core 240 MHz LX6 | 4 MB Flash | Classic + BLE | General purpose |
| ESP32-WROOM-32 OLED | Dual-core 240 MHz LX6 | 4 MB Flash + OLED | Classic + BLE | Projects needing a built-in status display |
| ESP32-S3 N16R8 | Dual-core 240 MHz LX7 | 16 MB Flash + 8 MB PSRAM | BLE | Displays, cameras, advanced applications |
Ready to order?
Available from Aetherwatt on eBay with free UK delivery.