Description
Stamp-C3 is a cost-effective, minimal RISC-V core board powered by the ESP32-C3 SoC from Espressif. It integrates a 32-bit single-core RISC-V processor running at up to 160 MHz, 400 KB SRAM, and 4 MB FLASH, together with 2.4 GHz Wi-Fi connectivity. The board supports secure boot, Flash encryption, digital signature and other security features. Despite its tiny size, it delivers robust performance to meet diverse IoT application requirements.
Features
- Supports multiple mounting methods (SMT, DIP, flying leads)
- Equipped with a high-temperature plastic shield, compatible with SMT reflow (230 °C)
- On-board 5 V → 3.3 V DC/DC, 13 × GPIOs
- Type-C port
- 1 × programmable RGB LED, 1 × reset button, 1 × user button
- High-performance 3D antenna for stable, reliable wireless communication
- Smallest ESP32 system board
- Development Platform
- Arduino IDE
- ESP-IDF
- PlatformIO
Includes
- 5 × Stamp-C3
- 5 × High-temperature Labels
Applications
Specifications
| Specification | Parameter |
|---|---|
| SoC | ESP32-C3@32-bit RISC-V Single-Core Processor, Main Frequency up to 160MHz |
| Flash | 4MB |
| SRAM | 400KB |
| ROM | 384KB |
| RTC SRAM | 8KB |
| Wi-Fi | 2.4 GHz Wi-Fi (supports 20/40MHz bandwidth, 802.11 b/g/n, up to 150Mbps) |
| Input Voltage | 5V@500mA |
| Human-Machine Interaction | Programmable Physical Button x 1, Reset/Debug Button x 1, Programmable RGB LED (SK6812) x 1 |
| USB Interface | USB Type-C x 1 |
| Antenna Type | 2.4G 3D Antenna |
| Module Peripheral Interface Resources | ADC, GPIO, SPI, UART, I2C, I2S, PWM, RMT, DMA, USB Serial, TWAI |
| IO Interfaces x13 | G21, G20, G9, G18, G19, G1, G0, G10, G8, G7, G6, G5, G4 |
| IO Interface Pitch | 2.54mm |
| Mounting Screw Specification | M2 x 4 Countersunk Hex Socket Machine Screw |
| Product Size | 34.0 x 20.0 x 4.6mm |
| Single Product Weight | 4.1g |
| Package Size | 138.0 x 93.0 x 5.6mm |
| Gross Weight | 23.3g |
