ESP32-C3¶
Single-core 32-bit RISC-V @ 160 MHz with WiFi + BLE 5. Espressif's low-cost, low-power answer to the C3 / nRF52 class. Native USB on Super Mini variants.
In stock
Espressif
1 files · 879 KB
Specs¶
| Spec | Value |
|---|---|
| SoC | ESP32-C3 (RISC-V single-core, 160 MHz) |
| Flash | 4 MB (typical) |
| SRAM | 400 KB |
| WiFi | 802.11 b/g/n |
| Bluetooth | BLE 5 (no classic) |
| GPIO | 22 |
| ADC | 12-bit, 6 channels |
| USB | Native (varies by board) |
When to pick C3¶
- Lowest-cost ESP32 family member
- BLE 5 + WiFi but no Bluetooth Classic needed
- RISC-V is a teaching target / open ISA
- Battery-friendly (single-core, deep-sleep ~5 µA)
Schematic¶
Open ESP32-C3-DevKitM-1 schematic (PDF)
Last updated: 2026-05-13 · Source on GitHub