The EsPea32 is a compact, feature-rich development board built around the ESP32-S3-PICO-1. Designed for professional IoT applications, it integrates advanced power management, connectivity options, and high-performance components in a breadboard-compatible form factor.
Board Specs

- MCU: ESP32-S3-PICO-1 SiP
- Flash Memory: 8 MB SPI Flash
- RAM: 8 MB SPI PSRAM
- Battery Charger: BQ24075 IC with intelligent power path management
- Fuel Gauge: BQ27441 IC for precise battery monitoring
- Voltage Regulator: NCP167 700mA linear regulator
- USB Interface: USB-C connector
- Programming and charging support
- USB host functionality
- USB OTG (On-The-Go) capability
- Wireless: onboard 3D high-gain chip antenna
Programming
To upload code on this board just use any ESP32-S3-PICO-1 board definition, most of them will work without problems
Files
Schematics and gerbers for production are available on github at the following links:
License
Everything in this repository is under a GPL-3.0 license, available Here
Esp32-s3-pico-1 full specs
| Category | Specification |
|---|---|
| Module Name | ESP32-S3-PICO-1-N8R8 |
| Chipset | ESP32-S3FN8R8 |
| CPU | Dual-core Xtensa® 32-bit LX7 (up to 240 MHz) |
| Cores | 2 |
| Flash Memory | 8 MB (Octal SPI flash) |
| PSRAM | 8 MB (Octal SPI PSRAM) |
| SRAM | 512 KB (internal) |
| Wireless Connectivity | Wi-Fi 802.11 b/g/n (2.4 GHz), Bluetooth 5 (LE) |
| USB | USB 2.0 OTG, internal USB PHY |
| GPIOs | 36 |
| ADC Channels | 20 channels (ADC1 and ADC2) |
| DAC Channels | 2 (8-bit) |
| UART Interfaces | 3 |
| SPI Interfaces | 4 |
| I2C Interfaces | 2 |
| I2S Interfaces | 2 |
| PWM Channels | 16 |
| CAN Bus | TWAI (compatible with CAN 2.0) |
| Operating Voltage | 3.3 V |
| Input Voltage Range | 3.0 V – 3.6 V |
| Package Size | 18.0 × 25.5 × 3.1 mm |
| Temperature Range | -40°C to +85°C |
| AI Acceleration | 16-bit vector instructions, SIMD acceleration |
| Security Features | Secure boot, Flash encryption, Cryptographic hardware acceleration |
| Other Features | LCD interface, camera interface, deep sleep mode |