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Boardoza Pulse ESP32-S3 Development Board

The Boardoza Pulse ESP32-S3 is a high-performance development board based on the ESP32-S3-WROOM-1-N4R2 module, designed for rapid prototyping and deployment of IoT, smart home, wearable, and industrial applications. Featuring a dual-core processor, Wi-Fi and Bluetooth 5.0 LE connectivity, and multiple I/O options, this board is optimized for both performance and versatility.

It supports popular development environments like Arduino IDE, PlatformIO, and ESP-IDF, enabling developers to accelerate project timelines. A USB Type-C connector provides fast programming and power, while battery input support makes it ideal for mobile and low-power systems.

Front Side Back Side
Boardoza_Pulse Boardoza_Pulse

Key Features

  • ESP32-S3 SoC: Dual-core Xtensa® LX7 CPU with 240 MHz clock speed, integrated Wi-Fi (802.11 b/g/n) and Bluetooth 5.0 LE.
  • Extensive Peripheral Support: 22 GPIOs and built-in interfaces for SPI, UART, I²C, ADC, DAC, and PWM.
  • USB Type-C Interface: Simplifies programming and powering via a modern, reversible connector.
  • Battery Compatibility: Supports 1S Li-Ion battery input, suitable for portable applications.
  • Addressable RGB LED: Integrated RGB LED for status indication or visual feedback.
  • Ultra-Low Power Modes: Deep sleep and other energy-saving modes extend battery life significantly.
  • Wide IDE Support: Works with ESP-IDF, Arduino, PlatformIO, and other development ecosystems.

Technical Specifications

Model: ESP32-S3-WROOM-1-N4R2
Voltage Input Type: Type-C or Li-Ion Battery
Input Voltage: 5V (via Type-C) or 3.7V (1S Battery)
Processor: Dual-Core Xtensa® LX7
Clock Speed: Up to 240 MHz
Wi-Fi: 802.11 b/g/n
Bluetooth: Bluetooth 5.0 LE
Flash Memory: 8MB
SRAM: 512KB
USB Port: USB Type-C (Power + Programming)
Connectivity Interfaces: SPI, I²C, UART, PWM, ADC, DAC
GPIO Pins: 22
Power Modes: Multiple low-power options
Functions: Development Board
Operating Temperature: -40°C ~ +85°C
Board Dimensions: 60mm x 60mm


Board Pinout

( J1 ) Battery Connector

Pin Number Pin Name Description
1 BAT- Battery Negative Input
2 BAT+ Battery Positive Input

( J3 ) I²C Connector

Pin Number Pin Name Description
1 GND Ground
2 IO2 I²C Clock (SCL)
3 IO1 I²C Data (SDA)
4 +3V3 Voltage Output

( J4 ) UART Connector

Pin Number Pin Name Description
1 GND Ground
2 TX (IO43) UART Transmit
3 RX (IO44) UART Receive
4 IO11 Function Pin 2
5 IO10 Function Pin 1
6 +3V3 Voltage Output

( J5 ) SPI Connector

Pin Number Pin Name Description
1 GND Ground
2 IO17 SPI Clock (CLK)
3 IO7 Chip Select (CS)
4 IO16 MISO
5 IO15 MOSI
6 +3V3 Voltage Output

( J6 ) GPIO Extension

Pin Number Pin Name Description
1 GND Ground
2 IO38 General I/O
3 IO37 General I/O
4 IO36 General I/O
5 IO35 General I/O
6 +3V3 Voltage Output

( J7 ) GPIO Extension

Pin Number Pin Name Description
1 GND Ground
2 IO42 General I/O
3 IO41 General I/O
4 IO40 General I/O
5 IO39 General I/O
6 +3V3 Voltage Output

( J8 ) GPIO Extension

Pin Number Pin Name Description
1 GND Ground
2 IO45 General I/O
3 IO46 General I/O
4 IO47 General I/O
5 IO48 General I/O
6 +3V3 Voltage Output

Board Dimensions

Pulse ESP32-S3 Development Board


Step Files

Boardoza Pulse S32-S3.step


Sensor Datasheet

ESP32-S3-WROOM-1-N4R2 Datasheet.pdf


Version History

  • V1.0.0 - Initial Release

Support


License

Shield: CC BY-SA 4.0

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

CC BY-SA 4.0